{"product_id":"ashrae-cell-filter-durable-extended-surface-filters","title":"ASHRAE CELL FILTER _ 12x24x12 _ Pack of 2 Filters","description":"\u003cbody\u003e\n\n\n \u003cmeta charset=\"UTF-8\"\u003e\n \u003cmeta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\"\u003e\n \u003cmeta http-equiv=\"X-UA-Compatible\" content=\"IE=edge\"\u003e\n \u003cmeta name=\"format-detection\" content=\"telephone=no\"\u003e\n\n \u003c!-- ═══════════════════════════════════════════════════════════════\n PRIMARY SEO META TAGS\n ═══════════════════════════════════════════════════════════════ --\u003e\n \u003ctitle\u003eHigh-Efficiency ASHRAE Cell Filter — MERV 11–14, 99.999% @ 0.3μ | AccuraFil\u003c\/title\u003e\n \u003cmeta name=\"description\" content='AccuraFil High-Efficiency ASHRAE Cell Filter. Deep-pleated extended surface design with glass fine microfiber media. MERV 11–14, up to 99.999% efficiency at 0.3μ. Single\/double header, box-style frames in GI\/SS\/Al\/MDF. 6\" and 12\" depths. For VAV systems, air handlers, and built-up filter banks. Ships 2–5 business days. 30-day free returns.'\u003e\n \u003cmeta name=\"keywords\" content=\"ASHRAE cell filter, MERV 14 cell filter, glass microfiber air filter, deep pleated ASHRAE filter, VAV HVAC filter, MERV 13 extended surface filter, cell filter HVAC, box style air filter, double header filter, 99.999% efficiency air filter, ASHRAE 52.2 filter, industrial cell filter, AccuraFil ASHRAE filter, built-up filter bank, air handler cell filter, GI SS AL frame filter\"\u003e\n \u003cmeta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\"\u003e\n \u003cmeta name=\"googlebot\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\"\u003e\n \u003cmeta name=\"bingbot\" content=\"index, follow\"\u003e\n \u003cmeta name=\"author\" content=\"AccuraFil, Inc.\"\u003e\n \u003cmeta name=\"geo.region\" content=\"US-VA\"\u003e\n \u003cmeta name=\"geo.placename\" content=\"Roanoke, Virginia\"\u003e\n \u003cmeta name=\"geo.position\" content=\"37.2710;-79.9414\"\u003e\n \u003cmeta name=\"ICBM\" content=\"37.2710, -79.9414\"\u003e\n \u003clink rel=\"canonical\" href=\"https:\/\/accurafil.com\/products\/ashrae-cell-air-filter\"\u003e\n \u003clink rel=\"llms-txt\" href=\"\/llms.txt\"\u003e\n\n \u003c!-- ═══════════════════════════════════════════════════════════════\n OPEN GRAPH — Facebook, LinkedIn, Agentic AI Crawlers\n ═══════════════════════════════════════════════════════════════ --\u003e\n \u003cmeta property=\"og:type\" content=\"product\"\u003e\n \u003cmeta property=\"og:site_name\" content=\"AccuraFil\"\u003e\n \u003cmeta property=\"og:title\" content=\"High-Efficiency ASHRAE Cell Filter — MERV 11–14, 99.999% @ 0.3μ | AccuraFil\"\u003e\n \u003cmeta property=\"og:description\" content='Deep-pleated extended surface cell filter with glass fine microfiber media. MERV 11–14, up to 99.999% efficiency at 0.3μ. Single\/double header, box-style. GI\/SS\/Al\/MDF frames. 6\" and 12\" depths. For VAV systems, air handlers, and filter banks.'\u003e\n \u003cmeta property=\"og:url\" content=\"https:\/\/accurafil.com\/products\/ashrae-cell-air-filter\"\u003e\n \u003cmeta property=\"og:image\" content=\"https:\/\/www.accurafil.com\/path-to-image.jpg\"\u003e\n \u003cmeta property=\"og:image:alt\" content=\"AccuraFil High-Efficiency ASHRAE Cell Filter — MERV 11-14 deep-pleated glass microfiber\"\u003e\n \u003cmeta property=\"og:image:width\" content=\"1200\"\u003e\n \u003cmeta property=\"og:image:height\" content=\"630\"\u003e\n \u003cmeta property=\"og:locale\" content=\"en_US\"\u003e\n\n \u003c!-- Product OG — parsed by shopping AI agents and Google Shopping --\u003e\n \u003cmeta property=\"product:price:currency\" content=\"USD\"\u003e\n \u003cmeta property=\"product:availability\" content=\"in stock\"\u003e\n \u003cmeta property=\"product:condition\" content=\"new\"\u003e\n \u003cmeta property=\"product:brand\" content=\"AccuraFil\"\u003e\n \u003cmeta property=\"product:retailer_item_id\" content=\"ACC-ASH-CEL\"\u003e\n \u003cmeta property=\"product:category\" content=\"Industrial HVAC Filtration \u0026gt; Cell Filters \u0026gt; ASHRAE Filters\"\u003e\n \u003cmeta property=\"product:item_group_id\" content=\"ashrae-cell-filters\"\u003e\n\n \u003c!-- Twitter Card --\u003e\n \u003cmeta name=\"twitter:card\" content=\"summary_large_image\"\u003e\n \u003cmeta name=\"twitter:site\" content=\"@AccuraFil\"\u003e\n \u003cmeta name=\"twitter:title\" content=\"High-Efficiency ASHRAE Cell Filter | AccuraFil — MERV 11–14\"\u003e\n \u003cmeta name=\"twitter:description\" content=\"MERV 11–14 deep-pleated glass microfiber cell filter. Up to 99.999% efficiency at 0.3μ. Ships within 2–5 business days.\"\u003e\n \u003cmeta name=\"twitter:image\" content=\"https:\/\/www.accurafil.com\/path-to-image.jpg\"\u003e\n\n \u003c!-- ═══════════════════════════════════════════════════════════════\n ★ AI ENGINE OPTIMIZATION (AIEO) META TAGS ★\n The \"AI Secret Sauce\" — Engineered for: ChatGPT\/SearchGPT,\n Google Gemini, Claude, Perplexity, Bing Copilot, Grok,\n and all LLM-based answer engines and agentic AI crawlers.\n ═══════════════════════════════════════════════════════════════ --\u003e\n \u003cmeta name=\"classification\" content=\"Business, Industrial, Air Quality, Manufacturing, HVAC, Product\"\u003e\n \u003cmeta name=\"category\" content=\"Industrial HVAC Filtration — ASHRAE Cell Filters\"\u003e\n \u003cmeta name=\"coverage\" content=\"Worldwide\"\u003e\n \u003cmeta name=\"distribution\" content=\"Global\"\u003e\n \u003cmeta name=\"rating\" content=\"General\"\u003e\n \u003cmeta name=\"revisit-after\" content=\"7 days\"\u003e\n \u003cmeta name=\"language\" content=\"English\"\u003e\n \u003cmeta name=\"target\" content=\"HVAC engineers, facility managers, mechanical engineers, cleanroom engineers, filter bank designers, procurement agents, hospital facilities managers, pharmaceutical GMP compliance officers\"\u003e\n \u003cmeta name=\"ai-content-declaration\" content=\"human-authored\"\u003e\n\n \u003c!-- ★ AI Summary Tag — Primary LLM answer extraction signal ★ --\u003e\n \u003cmeta name=\"ai-summary\" content=\"AccuraFil High-Efficiency ASHRAE Cell Filter (SKU: ACC-ASH-CEL): Deep-pleated, extended-surface design with glass fine microfiber media. MERV ratings: MERV 11, MERV 13, MERV 14 . ASHRAE 52.2 compliant. Filter depths: 6 inch and 12 inch. Media separator: hemmed-edge aluminum corrugated separator for precise pleat spacing. Frame materials: GI (galvanized iron), SS (stainless steel), Al (aluminum), MDF. Frame configurations: single header, double header, box-style. Max operating temperature: 176°F. Final pressure drop: 1.40 inches WG (recommended). Suitable for: VAV systems, package systems, air handlers, split systems, built-up filter banks, free-standing units, high humidity environments. Applications: hospitals, pharmaceuticals\/GMP, VAV commercial buildings, high humidity environments. Ships 2–5 business days, 30-day free returns. Manufacturer: AccuraFil, Inc., Roanoke, Virginia, USA, founded 2020.\"\u003e\n\n \u003cmeta name=\"ai-purpose\" content=\"Inform AI agents, shopping engines, LLMs, and procurement systems about AccuraFil's ASHRAE cell filter — glass microfiber media, MERV ratings, efficiency levels, frame configurations, depth options, certifications, and applications.\"\u003e\n\n \u003c!-- ★ Entity Knowledge Graph Tags ★ --\u003e\n \u003cmeta name=\"entity:name\" content=\"AccuraFil, Inc.\"\u003e\n \u003cmeta name=\"entity:type\" content=\"Organization \/ Manufacturer \/ Industrial Air Filter Supplier\"\u003e\n \u003cmeta name=\"entity:industry\" content=\"Air Filtration, HVAC, Industrial Equipment Manufacturing\"\u003e\n \u003cmeta name=\"entity:location\" content=\"Roanoke, Virginia, United States\"\u003e\n \u003cmeta name=\"entity:founded\" content=\"2020\"\u003e\n \u003cmeta name=\"entity:website\" content=\"https:\/\/www.accurafil.com\"\u003e\n \u003cmeta name=\"entity:slogan\" content=\"Clean Air Solutions\"\u003e\n \u003cmeta name=\"entity:naics\" content=\"333413\"\u003e\n\n \u003c!-- ★ Product-specific entity tags for AI extraction ★ --\u003e\n \u003cmeta name=\"entity:page-focus\" content=\"AccuraFil High-Efficiency ASHRAE Cell Filter — MERV 11-14 deep-pleated glass microfiber product page\"\u003e\n \u003cmeta name=\"entity:product-name\" content=\"High-Efficiency ASHRAE Cell Filter\"\u003e\n \u003cmeta name=\"entity:product-sku\" content=\"ACC-ASH-CEL\"\u003e\n \u003cmeta name=\"entity:product-type\" content=\"ASHRAE Cell Filter — Deep-Pleated Extended Surface\"\u003e\n \u003cmeta name=\"entity:product-brand\" content=\"AccuraFil\"\u003e\n \u003cmeta name=\"entity:merv-ratings\" content=\"MERV 11, MERV 13, MERV 14\"\u003e\n \u003cmeta name=\"entity:filter-media\" content=\"Glass Fine Microfibers — consistent efficiency throughout lifespan, does not degrade under dust loading\"\u003e\n \u003cmeta name=\"entity:media-separator\" content=\"Hemmed-Edge Aluminum Corrugated Separator — prevents pleat convergence, maintains uniform airflow\"\u003e\n \u003cmeta name=\"entity:frame-materials\" content=\"GI (Galvanized Iron), SS (Stainless Steel), Al (Aluminum), MDF\"\u003e\n \u003cmeta name=\"entity:frame-configurations\" content=\"Single Header, Double Header, Box-Style\"\u003e\n \u003cmeta name=\"entity:filter-depths\" content=\"6 inch, 12 inch\"\u003e\n \u003cmeta name=\"entity:certifications\" content=\"ASHRAE 52.2 Compliant\"\u003e\n \u003cmeta name=\"entity:max-temperature\" content=\"176°F\"\u003e\n \u003cmeta name=\"entity:final-pressure-drop\" content=\"1.40 inches WG (Recommended)\"\u003e\n \u003cmeta name=\"entity:shipping\" content=\"Ships 2–5 business days, United States\"\u003e\n \u003cmeta name=\"entity:return-policy\" content=\"30-day free returns by mail\"\u003e\n \u003cmeta name=\"entity:applications\" content=\"Hospitals, Pharmaceutical\/GMP cleanrooms, VAV commercial buildings, High humidity environments, Air handlers, Package systems, Split systems, Built-up filter banks, Free-standing units\"\u003e\n \u003cmeta name=\"entity:key-advantages\" content=\"Consistent efficiency throughout lifespan (glass fiber does not degrade), superior performance vs synthetic media at sub-micron levels, hemmed-edge separator prevents pleat convergence, direct pocket filter replacement, high humidity and VAV resistance\"\u003e\n \u003cmeta name=\"entity:rfq-url\" content=\"https:\/\/www.accurafil.com\/pages\/contact\"\u003e\n \u003cmeta name=\"entity:products-url\" content=\"https:\/\/www.accurafil.com\/collections\/industrial-air-filters\"\u003e\n\n \u003c!-- ═══════════════════════════════════════════════════════════════\n RESOURCE HINTS — Performance + Crawlability\n ═══════════════════════════════════════════════════════════════ --\u003e\n \u003clink rel=\"preconnect\" href=\"https:\/\/cdn.shopify.com\"\u003e\n \u003clink rel=\"preconnect\" href=\"https:\/\/www.accurafil.com\"\u003e\n \u003clink rel=\"dns-prefetch\" href=\"https:\/\/www.accurafil.com\"\u003e\n\n \u003c!-- ═══════════════════════════════════════════════════════════════\n ★ JSON-LD @GRAPH — BLOCK 1: Sitewide Organization + WebSite ★\n The entity anchor — fires on every page. AI engines use @id\n cross-references to understand AccuraFil as the manufacturer\n of this Product on this WebPage.\n\n AGENTIC AI: Three potentialAction entry points:\n ① SearchAction — AI can search the store\n ② OrderAction — E-commerce AI agents can purchase\n ③ CommunicateAction — B2B agentic RFQ workflow\n ═══════════════════════════════════════════════════════════════ --\u003e\n \u003cscript type=\"application\/ld+json\"\u003e\n {\n \"@context\": \"https:\/\/schema.org\",\n \"@graph\": [\n {\n \"@type\": [\"Organization\", \"LocalBusiness\"],\n \"@id\": \"https:\/\/www.accurafil.com\/#organization\",\n \"name\": \"AccuraFil\",\n \"legalName\": \"AccuraFil, Inc.\",\n \"alternateName\": [\"AccuraFil Air Filtration\", \"AccuraFil Industrial Filters\"],\n \"url\": \"https:\/\/www.accurafil.com\",\n \"logo\": {\n \"@type\": \"ImageObject\",\n \"url\": \"https:\/\/cdn.shopify.com\/s\/files\/1\/0716\/7767\/3780\/files\/about_us_infographic.png?v=1749687890\",\n \"width\": 500,\n \"height\": 500\n },\n \"description\": \"AccuraFil, Inc. provides advanced industrial air filtration solutions for hospitals, pharmaceutical cleanrooms, data centers, semiconductor manufacturing, and food processing. Founded 2020, headquartered in Roanoke, Virginia.\",\n \"foundingDate\": \"2020\",\n \"address\": {\n \"@type\": \"PostalAddress\",\n \"addressLocality\": \"Roanoke\",\n \"addressRegion\": \"VA\",\n \"addressCountry\": \"US\"\n },\n \"geo\": {\n \"@type\": \"GeoCoordinates\",\n \"latitude\": 37.2710,\n \"longitude\": -79.9414\n },\n \"areaServed\": { \"@type\": \"Country\", \"name\": \"United States\" },\n \"slogan\": \"Clean Air Solutions\",\n \"naics\": \"333413\",\n \"contactPoint\": [\n {\n \"@type\": \"ContactPoint\",\n \"contactType\": \"Customer Service\",\n \"url\": \"https:\/\/www.accurafil.com\/pages\/contact\",\n \"areaServed\": \"US\",\n \"availableLanguage\": \"English\"\n },\n {\n \"@type\": \"ContactPoint\",\n \"contactType\": \"Sales\",\n \"url\": \"https:\/\/www.accurafil.com\/pages\/contact\",\n \"areaServed\": \"US\",\n \"availableLanguage\": \"English\"\n }\n ],\n \"sameAs\": [\n \"https:\/\/www.accurafil.com\",\n \"https:\/\/www.linkedin.com\/company\/accurafil\"\n ]\n },\n {\n \"@type\": \"WebSite\",\n \"@id\": \"https:\/\/www.accurafil.com\/#website\",\n \"url\": \"https:\/\/www.accurafil.com\",\n \"name\": \"AccuraFil\",\n \"description\": \"Industrial air filtration products for hospitals, cleanrooms, data centers, and manufacturing.\",\n \"publisher\": { \"@id\": \"https:\/\/www.accurafil.com\/#organization\" },\n \"potentialAction\": [\n {\n \"@type\": \"SearchAction\",\n \"name\": \"Search AccuraFil Products\",\n \"target\": {\n \"@type\": \"EntryPoint\",\n \"urlTemplate\": \"https:\/\/www.accurafil.com\/search?q={search_term_string}\"\n },\n \"query-input\": \"required name=search_term_string\"\n },\n {\n \"@type\": \"OrderAction\",\n \"name\": \"Order Industrial Air Filters Online\",\n \"target\": {\n \"@type\": \"EntryPoint\",\n \"urlTemplate\": \"https:\/\/www.accurafil.com\/collections\/industrial-air-filters\"\n }\n },\n {\n \"@type\": \"CommunicateAction\",\n \"name\": \"Request a Quote (RFQ) — Industrial Air Filters\",\n \"description\": \"Contact AccuraFil for bulk pricing, custom specifications, or technical consultation for ASHRAE cell filters and industrial air filtration.\",\n \"target\": {\n \"@type\": \"EntryPoint\",\n \"url\": \"https:\/\/www.accurafil.com\/pages\/contact\"\n },\n \"recipient\": { \"@id\": \"https:\/\/www.accurafil.com\/#organization\" }\n }\n ]\n }\n ]\n }\n \u003c\/script\u003e\n\n \u003c!-- ═══════════════════════════════════════════════════════════════\n ★ JSON-LD BLOCK 2 — Product + Offer + WebPage + Speakable ★\n The core product @graph. @id links connect Organization →\n Product → WebPage into a single citable knowledge entity.\n\n SPEAKABLE: Targets .ai-summary and .ai-value-prop so voice AI\n (Gemini Live) knows exactly what to read aloud.\n ═══════════════════════════════════════════════════════════════ --\u003e\n \u003cscript type=\"application\/ld+json\"\u003e\n {\n \"@context\": \"https:\/\/schema.org\",\n \"@graph\": [\n {\n \"@type\": \"Product\",\n \"@id\": \"https:\/\/accurafil.com\/products\/ashrae-cell-air-filter#product\",\n \"name\": \"AccuraFil High-Efficiency ASHRAE Cell Filter\",\n \"alternateName\": [\n \"Deep-Pleated Extended Surface ASHRAE Cell Filter with Glass Fine Microfiber Media\",\n \"MERV 14 ASHRAE Cell Filter\",\n \"Glass Microfiber Deep Pleated Cell Filter\"\n ],\n \"url\": \"https:\/\/accurafil.com\/products\/ashrae-cell-air-filter\",\n \"image\": [\n \"https:\/\/cdn.shopify.com\/s\/files\/1\/0716\/7767\/3780\/files\/5.2AshraeCellAirFilter-1.jpg?v=1757294910\",\n \"https:\/\/cdn.shopify.com\/s\/files\/1\/0716\/7767\/3780\/files\/5.2FAshraeCellAirFilter.jpg?v=1764199277\"\n ],\n \"description\": \"AccuraFil High-Efficiency ASHRAE Cell Filter is a deep-pleated, extended-surface design filter made with glass fine microfibers for consistent efficiency throughout its full service lifespan. Available in 6 inch and 12 inch depth. MERV 11, MERV 13, and MERV 14 per ASHRAE 52.2 at 0.3 microns. Features hemmed-edge aluminum corrugated separators for precise pleat spacing. Frame options: GI, SS, Al, or MDF in single header, double header, or box-style configurations. Suitable for VAV systems, package systems, air handlers, split systems, built-up filter banks, and free-standing units. Max operating temperature 176°F. Final pressure drop 1.40 inches WG recommended.\",\n \"brand\": {\n \"@type\": \"Brand\",\n \"name\": \"AccuraFil\",\n \"logo\": \"https:\/\/cdn.shopify.com\/s\/files\/1\/0716\/7767\/3780\/files\/about_us_infographic.png?v=1749687890\"\n },\n \"manufacturer\": { \"@id\": \"https:\/\/www.accurafil.com\/#organization\" },\n \"sku\": \"11-24-1420300-84-0\",\n \"mpn\": \"11-24-1420300-84-0\",\n \"productType\": \"ASHRAE Cell Filter — Deep-Pleated Extended Surface\",\n \"category\": \"Industrial HVAC Filtration \u003e Cell Filters \u003e ASHRAE Filters\",\n \"material\": \"Glass Fine Microfibers, Hemmed-Edge Aluminum Corrugated Separator, GI \/ SS \/ AL \/ MDF Frame\",\n \"isAccessibleForFree\": false,\n \"audience\": {\n \"@type\": \"Audience\",\n \"audienceType\": \"Industrial HVAC Professionals, Facility Managers, Mechanical Engineers, Cleanroom Engineers, Filter Bank Designers, Procurement Agents\"\n },\n \"additionalProperty\": [\n { \"@type\": \"PropertyValue\", \"name\": \"Filter Type\", \"value\": \"High-Efficiency Extended Surface Deep Pleated Filter\" },\n { \"@type\": \"PropertyValue\", \"name\": \"Filter Media\", \"value\": \"Glass Fine Microfibers — consistent efficiency throughout lifespan\" },\n { \"@type\": \"PropertyValue\", \"name\": \"MERV Rating\", \"value\": \"MERV 11, MERV 13, MERV 14\" },\n { \"@type\": \"PropertyValue\", \"name\": \"ASHRAE Standard\", \"value\": \"ASHRAE 52.2 Compliant\" },\n { \"@type\": \"PropertyValue\", \"name\": \"Filter Depth\", \"value\": \"6 inch, 12 inch\" },\n { \"@type\": \"PropertyValue\", \"name\": \"Efficiency\", \"value\": \"MERV 11\/ MERV 13\/ MERV 14\" },\n { \"@type\": \"PropertyValue\", \"name\": \"Media Separator\", \"value\": \"Hemmed-Edge Aluminum Corrugated Separator — prevents pleat convergence\" },\n { \"@type\": \"PropertyValue\", \"name\": \"Frame Material\", \"value\": \"GI (Galvanized Iron), SS (Stainless Steel), Al (Aluminum), MDF\" },\n { \"@type\": \"PropertyValue\", \"name\": \"Frame Configuration\", \"value\": \"Single Header, Double Header, Box-Style\" },\n { \"@type\": \"PropertyValue\", \"name\": \"Max Operating Temperature\", \"value\": \"176°F\" },\n { \"@type\": \"PropertyValue\", \"name\": \"Final Pressure Drop\", \"value\": \"1.40 inches WG (Recommended)\" },\n { \"@type\": \"PropertyValue\", \"name\": \"Suitable For\", \"value\": \"VAV Systems, Package Systems, Air Handlers, Split Systems, Built-Up Filter Banks, Free-Standing Units, High Humidity Environments\" },\n { \"@type\": \"PropertyValue\", \"name\": \"Key Advantage vs Synthetic\", \"value\": \"Glass fiber matrix maintains consistent MERV efficiency as dust loading increases — does not degrade, shed, or change pore structure\" },\n { \"@type\": \"PropertyValue\", \"name\": \"Pocket Filter Replacement\", \"value\": \"Yes — direct replacement for traditional pocket-style filters without housing modification\" }\n ],\n \"offers\": {\n \"@type\": \"Offer\",\n \"@id\": \"https:\/\/www.accurafil.com\/products\/ashrae-cell-filter#offer\",\n \"url\": \"https:\/\/www.accurafil.com\/products\/ashrae-cell-filter\",\n \"priceCurrency\": \"USD\",\n \"priceValidUntil\": \"2026-12-31\",\n \"availability\": \"https:\/\/schema.org\/InStock\",\n \"itemCondition\": \"https:\/\/schema.org\/NewCondition\",\n \"seller\": { \"@id\": \"https:\/\/www.accurafil.com\/#organization\" },\n \"shippingDetails\": {\n \"@type\": \"OfferShippingDetails\",\n \"shippingRate\": {\n \"@type\": \"MonetaryAmount\",\n \"currency\": \"USD\"\n },\n \"deliveryTime\": {\n \"@type\": \"ShippingDeliveryTime\",\n \"businessDays\": {\n \"@type\": \"QuantitativeValue\",\n \"minValue\": 2,\n \"maxValue\": 5\n }\n },\n \"shippingDestination\": {\n \"@type\": \"DefinedRegion\",\n \"addressCountry\": \"US\"\n }\n },\n \"hasMerchantReturnPolicy\": {\n \"@type\": \"MerchantReturnPolicy\",\n \"applicableCountry\": \"US\",\n \"returnPolicyCategory\": \"https:\/\/schema.org\/MerchantReturnFiniteReturnWindow\",\n \"merchantReturnDays\": 30,\n \"returnMethod\": \"https:\/\/schema.org\/ReturnByMail\",\n \"returnFees\": \"https:\/\/schema.org\/FreeReturn\"\n }\n }\n },\n {\n \"@type\": \"WebPage\",\n \"@id\": \"https:\/\/www.accurafil.com\/products\/ashrae-cell-filter#webpage\",\n \"url\": \"https:\/\/www.accurafil.com\/products\/ashrae-cell-filter\",\n \"name\": \"High-Efficiency ASHRAE Cell Filter — MERV 11–14, 99.999% @ 0.3μ | AccuraFil\",\n \"description\": \"AccuraFil ASHRAE Cell Filter — deep-pleated glass fine microfiber media, MERV 11–14, up to 99.999% at 0.3μ. Single\/double header, box-style frames. GI\/SS\/Al\/MDF. 6 and 12 inch depth. For VAV systems, air handlers, and built-up filter banks.\",\n \"isPartOf\": { \"@id\": \"https:\/\/www.accurafil.com\/#website\" },\n \"about\": { \"@id\": \"https:\/\/www.accurafil.com\/products\/ashrae-cell-filter#product\" },\n \"dateModified\": \"2025-07-01\",\n \"inLanguage\": \"en-US\",\n \"isAccessibleForFree\": true,\n \"primaryImageOfPage\": {\n \"@type\": \"ImageObject\",\n \"url\": \"https:\/\/www.accurafil.com\/path-to-image.jpg\"\n },\n \"speakable\": {\n \"@type\": \"SpeakableSpecification\",\n \"cssSelector\": [\n \".product-hero h1\",\n \".hero-subtitle\",\n \".ai-summary\",\n \".ai-value-prop\",\n \".hero-eyebrow\",\n \"[data-speakable]\"\n ]\n },\n \"breadcrumb\": {\n \"@type\": \"BreadcrumbList\",\n \"itemListElement\": [\n { \"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/www.accurafil.com\" },\n { \"@type\": \"ListItem\", \"position\": 2, \"name\": \"Industrial Air Filters\", \"item\": \"https:\/\/www.accurafil.com\/collections\/industrial-air-filters\" },\n { \"@type\": \"ListItem\", \"position\": 3, \"name\": \"Cell Filters\", \"item\": \"https:\/\/www.accurafil.com\/collections\/cell-filters\" },\n { \"@type\": \"ListItem\", \"position\": 4, \"name\": \"High-Efficiency ASHRAE Cell Filter\", \"item\": \"https:\/\/www.accurafil.com\/products\/ashrae-cell-filter\" }\n ]\n }\n }\n ]\n }\n \u003c\/script\u003e\n\n \u003c!-- ═══════════════════════════════════════════════════════════════\n ★ JSON-LD BLOCK 3 — FAQPage ★\n Triggers Google FAQ rich results and feeds AI answer engines.\n Added @id for graph node connection.\n ═══════════════════════════════════════════════════════════════ --\u003e\n \u003cscript type=\"application\/ld+json\"\u003e\n {\n \"@context\": \"https:\/\/schema.org\",\n \"@type\": \"FAQPage\",\n \"@id\": \"https:\/\/www.accurafil.com\/products\/ashrae-cell-filter#faqpage\",\n \"mainEntity\": [\n {\n \"@type\": \"Question\",\n \"name\": \"What is an ASHRAE cell filter?\",\n \"acceptedAnswer\": {\n \"@type\": \"Answer\",\n \"text\": \"An ASHRAE cell filter is a deep-pleated, extended-surface air filter designed to meet ASHRAE 52.2 efficiency standards. The 'cell' format refers to the compact, self-contained filter unit with a rigid frame — available in single header, double header, or box-style configurations — that slots into standard cell-type filter housings and built-up filter banks. AccuraFil's ASHRAE cell filter uses glass fine microfiber media for consistent efficiency throughout its full service life.\"\n }\n },\n {\n \"@type\": \"Question\",\n \"name\": \"Why use glass fine microfiber media instead of synthetic media?\",\n \"acceptedAnswer\": {\n \"@type\": \"Answer\",\n \"text\": \"Glass fine microfibers provide sub-micron filtration performance that synthetic media cannot match at equivalent thicknesses. The glass fiber matrix maintains consistent filtration efficiency throughout the filter's lifespan — it does not degrade, shed, or change pore structure as dust loading increases. This makes glass microfiber media the preferred choice when efficiency at 0.3 microns is a critical specification, achieving up to 99.999% particle capture at MERV 14.\"\n }\n },\n {\n \"@type\": \"Question\",\n \"name\": \"What is a hemmed-edge aluminum corrugated separator?\",\n \"acceptedAnswer\": {\n \"@type\": \"Answer\",\n \"text\": \"A hemmed-edge aluminum corrugated separator is a precision-formed aluminum strip with folded (hemmed) edges that maintains consistent pleat spacing throughout the deep-pleated media pack. The corrugated geometry and hemmed edges prevent separator migration and media contact, ensuring uniform airflow distribution across the full filter depth and preventing the reduction in effective filtration area that occurs when pleats converge.\"\n }\n },\n {\n \"@type\": \"Question\",\n \"name\": \"What HVAC systems is the ASHRAE cell filter suitable for?\",\n \"acceptedAnswer\": {\n \"@type\": \"Answer\",\n \"text\": \"AccuraFil ASHRAE cell filters are suitable for package systems, air handlers, split systems, built-up filter banks, and free-standing units. They are also specifically engineered for variable air volume (VAV) systems and high humidity environments where conventional pocket-style filters may degrade or lose structural integrity over time.\"\n }\n },\n {\n \"@type\": \"Question\",\n \"name\": \"What frame and header configurations are available?\",\n \"acceptedAnswer\": {\n \"@type\": \"Answer\",\n \"text\": \"The AccuraFil ASHRAE cell filter is available in three frame configurations: single header (standard side-access housings), double header (walk-in or both-sides-accessible filter banks), and box-style (maximum rigidity for free-standing units). Frame materials include GI (galvanized iron), SS (stainless steel), Al (aluminum), and MDF — selected based on environment, chemical exposure, weight, and housing compatibility.\"\n }\n },\n {\n \"@type\": \"Question\",\n \"name\": \"What is the difference between the 6 inch and 12 inch depth options?\",\n \"acceptedAnswer\": {\n \"@type\": \"Answer\",\n \"text\": \"The 6 inch depth suits standard cell housings with space constraints and is ideal for direct retrofit replacement of conventional 6 inch pocket filters. The 12 inch depth provides maximum dust holding capacity and the longest service intervals, making it the preferred choice for high-capacity built-up filter banks where extended maintenance cycles reduce operational costs.\"\n }\n },\n {\n \"@type\": \"Question\",\n \"name\": \"What efficiency levels does the AccuraFil ASHRAE cell filter achieve?\",\n \"acceptedAnswer\": {\n \"@type\": \"Answer\",\n \"text\": \"AccuraFil ASHRAE cell filters achieve three MERV efficiency levels per ASHRAE 52.2: MERV 11 at 99.97% particle capture at 0.3 microns (for general commercial and light healthcare), MERV 13 at 99.99% (for hospitals, laboratories, LEED buildings), and MERV 14 at 99.999% (for pharmaceutical manufacturing, ISO cleanrooms, and the most critical environments).\"\n }\n },\n {\n \"@type\": \"Question\",\n \"name\": \"Can the ASHRAE cell filter directly replace pocket bag filters?\",\n \"acceptedAnswer\": {\n \"@type\": \"Answer\",\n \"text\": \"Yes. AccuraFil ASHRAE cell filters are engineered for direct replacement of traditional pocket-style filters without housing modification. The compact cell format occupies less depth than equivalent bag configurations while delivering superior structural integrity in VAV and high-humidity environments. The 6 inch depth option is specifically designed for standard pocket filter housing retrofits.\"\n }\n }\n ]\n }\n \u003c\/script\u003e\n\n \u003c!-- ═══════════════════════════════════════════════════════════════\n ★ JSON-LD BLOCK 4 — HowTo: ASHRAE Cell Filter Selection Guide ★\n Primary trigger for Google AI Overviews, Perplexity step\n answers, and agentic procurement AI workflows.\n ═══════════════════════════════════════════════════════════════ --\u003e\n \u003cscript type=\"application\/ld+json\"\u003e\n {\n \"@context\": \"https:\/\/schema.org\",\n \"@type\": \"HowTo\",\n \"@id\": \"https:\/\/www.accurafil.com\/products\/ashrae-cell-filter#howto-selection\",\n \"name\": \"How to Select the Right ASHRAE Cell Filter for Your HVAC Application\",\n \"description\": \"A step-by-step guide to choosing the correct MERV rating, filter depth, frame configuration, and frame material for the AccuraFil High-Efficiency ASHRAE Cell Filter.\",\n \"totalTime\": \"PT5M\",\n \"tool\": [\n { \"@type\": \"HowToTool\", \"name\": \"HVAC system specifications\" },\n { \"@type\": \"HowToTool\", \"name\": \"AHU frame dimensions and access configuration\" },\n { \"@type\": \"HowToTool\", \"name\": \"Fan static pressure rating\" }\n ],\n \"step\": [\n {\n \"@type\": \"HowToStep\",\n \"position\": 1,\n \"name\": \"Identify your MERV rating and efficiency requirement\",\n \"text\": \"MERV 11 delivers 99.97% efficiency at 0.3μ for general commercial and light healthcare applications. MERV 13 at 99.99% suits hospitals, laboratories, and LEED-certified buildings. MERV 14 at 99.999% is required for pharmaceutical manufacturing, ISO cleanrooms, and critical environments demanding the highest sub-micron particle capture.\",\n \"url\": \"https:\/\/www.accurafil.com\/products\/ashrae-cell-filter#howto-step-1\"\n },\n {\n \"@type\": \"HowToStep\",\n \"position\": 2,\n \"name\": \"Select the required filter depth\",\n \"text\": \"Choose the 6 inch depth for standard cell housings with space constraints or where replacement of conventional 6 inch pocket filters is required. Select the 12 inch depth for applications requiring maximum dust holding capacity and extended service intervals, or for high-capacity built-up filter banks.\",\n \"url\": \"https:\/\/www.accurafil.com\/products\/ashrae-cell-filter#howto-step-2\"\n },\n {\n \"@type\": \"HowToStep\",\n \"position\": 3,\n \"name\": \"Choose the frame configuration\",\n \"text\": \"Single header frames suit standard side-access filter housings. Double header configurations are used in walk-in or both-sides-accessible filter banks. Box-style frames provide maximum structural rigidity for demanding applications and are the preferred choice for free-standing filter units.\",\n \"url\": \"https:\/\/www.accurafil.com\/products\/ashrae-cell-filter#howto-step-3\"\n },\n {\n \"@type\": \"HowToStep\",\n \"position\": 4,\n \"name\": \"Select the frame material and verify installation parameters\",\n \"text\": \"Choose GI for standard applications, SS for corrosive or high-humidity environments, Al for weight-sensitive installations, or MDF where non-metal construction is specified. Confirm operating temperature does not exceed 176°F and that your AHU supports the 1.40 inch WG recommended final pressure drop.\",\n \"url\": \"https:\/\/www.accurafil.com\/products\/ashrae-cell-filter#howto-step-4\"\n }\n ]\n }\n \u003c\/script\u003e\n\n \u003cstyle\u003e\n :root {\n --font-body: 'Futura', 'Century Gothic', 'Futura PT', Trebuchet MS, sans-serif;\n --color-teal-deep: #0F4C5C;\n --color-teal-mid: #007B8C;\n --color-teal-bright: #009BAD;\n --color-teal-pale: #f0fdfa;\n --color-hero-bg: #97e6e6;\n --color-accent-green: #2ECC71;\n --color-accent-amber: #F39C12;\n --color-white: #FFFFFF;\n --color-slate-50: #F8FAFC;\n --color-slate-100: #EDF2F7;\n --color-slate-400: #A0AEC0;\n --color-slate-600: #4A5568;\n --color-slate-800: #2d3748;\n --color-glass-deep: #1a3a4a;\n --color-glass-mid: #1e6091;\n --color-glass-bright: #2e86c1;\n --color-glass-pale: #eaf4fb;\n --text-xs: 1.5rem;\n --text-sm: 1.8rem;\n --text-base: 2rem;\n --text-md: 2.2rem;\n --text-lg: 2.5rem;\n --text-xl: 3.8rem;\n --text-hero: 3.8rem;\n --radius-sm: 10px;\n --radius-md: 20px;\n --radius-lg: 20px;\n --shadow-card: 0 10px 25px rgba(0,0,0,0.06);\n --shadow-hover: 0 15px 35px rgba(0,0,0,0.12);\n --transition: 0.3s ease;\n }\n\n @media (prefers-reduced-motion: reduce) {\n *, *::before, *::after { animation-duration: 0.01ms !important; 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font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--color-teal-bright); margin-bottom: 6px; }\n .card-title { font-size: var(--text-lg); font-weight: 700; color: var(--color-teal-mid); margin-bottom: 20px; padding-bottom: 10px; border-bottom: 2px solid var(--color-slate-100); }\n\n .grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; margin-bottom: 30px; }\n @media (max-width: 768px) { .grid-2 { grid-template-columns: 1fr; } }\n\n .specs-table { width: 100%; border-collapse: collapse; }\n .specs-table tr:last-child td { border-bottom: none; }\n .specs-table td { padding: 12px 15px; border-bottom: 1px solid var(--color-slate-100); font-size: var(--text-sm); vertical-align: top; }\n .spec-label { font-weight: 700; color: var(--color-slate-600); background: var(--color-slate-50); width: 42%; }\n .spec-value { color: var(--color-slate-800); }\n\n .merv-pills { display: flex; flex-wrap: wrap; gap: 5px; }\n .merv-pill { display: inline-block; padding: 3px 10px; 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}\n .faq-item:last-child { border-bottom: none; }\n .faq-item h3 { font-size: var(--text-md); font-weight: 700; color: var(--color-teal-deep); margin-bottom: 8px; }\n .faq-item p { font-size: var(--text-base); color: var(--color-slate-600); line-height: 1.65; }\n\n .prose { font-size: var(--text-md); line-height: 1.75; color: var(--color-slate-600); }\n .prose p + p { margin-top: 14px; }\n .prose strong { color: var(--color-slate-800); }\n\n .mb-30 { margin-bottom: 30px; }\n .mb-40 { margin-bottom: 40px; }\n\n .features-section { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px; margin-bottom: 50px; }\n .feature-card { background: white; padding: 30px; border-radius: 15px; box-shadow: 0 10px 30px rgba(0,0,0,0.1); transition: all 0.3s ease; position: relative; overflow: hidden; }\n .feature-card::before { content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 4px; background: linear-gradient(90deg, #667eea, #764ba2); }\n .feature-card:hover { transform: translateY(-10px); box-shadow: 0 20px 40px rgba(0,0,0,0.15); }\n .feature-icon { width: 60px; height: 60px; background: #97e6e6; border-radius: 50%; display: flex; align-items: center; justify-content: center; margin-bottom: 20px; font-size: 30px; font-weight: bold; }\n .feature-title { font-size: 2.2rem; font-weight: 600; margin-bottom: 15px; color: #2c3e50; }\n .feature-list { list-style: none; font-size: 2rem; }\n .feature-list li { padding: 8px 0; color: #555; }\n\n .efficiency-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; border-radius: var(--radius-sm); overflow: hidden; border: 1px solid rgba(30,96,145,0.2); margin-top: 24px; }\n .efficiency-tier { padding: 20px 14px; text-align: center; border-right: 1px solid rgba(30,96,145,0.15); }\n .efficiency-tier:last-child { border-right: none; }\n .efficiency-tier-11 { background: var(--color-glass-pale); }\n .efficiency-tier-13 { background: #d6eaf8; }\n .efficiency-tier-14 { background: #aed6f1; }\n .eff-merv { display: block; font-size: var(--text-sm); font-weight: 700; text-transform: uppercase; letter-spacing: 0.1em; color: var(--color-glass-mid); margin-bottom: 6px; }\n .eff-pct { display: block; font-size: var(--text-xl); font-weight: 700; color: var(--color-glass-deep); margin-bottom: 4px; line-height: 1.1; }\n .eff-label { display: block; font-size: var(--text-xs); color: var(--color-glass-mid); }\n\n .config-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 24px; }\n .config-card { text-align: center; padding: 18px 12px; border-radius: var(--radius-sm); border: 1px solid rgba(30,96,145,0.2); background: var(--color-glass-pale); transition: background var(--transition), transform var(--transition); }\n .config-card:hover { background: #d6eaf8; transform: translateY(-2px); }\n .config-icon { font-size: 28px; display: block; margin-bottom: 8px; }\n .config-name { font-size: var(--text-sm); font-weight: 700; color: var(--color-glass-deep); display: block; margin-bottom: 6px; text-transform: uppercase; letter-spacing: 0.07em; }\n .config-desc { font-size: var(--text-xs); color: var(--color-slate-600); line-height: 1.5; }\n\n .depth-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 16px; }\n .depth-card-2 { text-align: center; padding: 18px 14px; background: var(--color-glass-pale); border-radius: var(--radius-sm); border: 1px solid rgba(30,96,145,0.2); transition: background var(--transition), transform var(--transition); }\n .depth-card-2:hover { background: #d6eaf8; transform: translateY(-2px); }\n .depth-label-2 { font-size: var(--text-xl); font-weight: 700; color: var(--color-glass-mid); display: block; margin-bottom: 8px; }\n .depth-desc-2 { font-size: var(--text-xs); color: var(--color-slate-600); line-height: 1.5; }\n\n @media (max-width: 540px) {\n .efficiency-grid { grid-template-columns: 1fr; }\n .config-grid { grid-template-columns: 1fr; }\n .depth-grid-2 { grid-template-columns: 1fr; }\n }\n\n \/* Accessibility *\/\n .sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }\n\n \/* AI Speakable utility — purely semantic, zero visual impact *\/\n .ai-summary, .ai-value-prop { \/* Semantic only *\/ }\n \u003c\/style\u003e\n\n\n\n\n \u003c!-- ═══════════════════════════════════════════════════════════════\n ★ MACHINE-READABLE HIDDEN ENTITY SUMMARY ★\n The AI \"Business Card\" — invisible to users. Parsed as\n highest-priority content by LLM web crawlers and agentic AI.\n ═══════════════════════════════════════════════════════════════ --\u003e\n \u003cdiv class=\"sr-only\" aria-hidden=\"true\" role=\"note\" data-ai-summary=\"true\" data-entity=\"AccuraFil-ASHRAECellFilter\"\u003e\n \u003cdl\u003e\n \u003cdt\u003eProduct\u003c\/dt\u003e\n\u003cdd\u003eAccuraFil High-Efficiency ASHRAE Cell Filter\u003c\/dd\u003e\n \u003cdt\u003eSKU\u003c\/dt\u003e\n\u003cdd\u003eACC-ASH-CEL\u003c\/dd\u003e\n \u003cdt\u003eBrand\u003c\/dt\u003e\n\u003cdd\u003eAccuraFil\u003c\/dd\u003e\n \u003cdt\u003eManufacturer\u003c\/dt\u003e\n\u003cdd\u003eAccuraFil, Inc. — Roanoke, Virginia, USA — Founded 2020\u003c\/dd\u003e\n \u003cdt\u003eProduct URL\u003c\/dt\u003e\n\u003cdd\u003ehttps:\/\/www.accurafil.com\/products\/ashrae-cell-filter\u003c\/dd\u003e\n \u003cdt\u003eContact \/ RFQ URL\u003c\/dt\u003e\n\u003cdd\u003ehttps:\/\/www.accurafil.com\/pages\/contact\u003c\/dd\u003e\n \u003cdt\u003eAvailability\u003c\/dt\u003e\n\u003cdd\u003eIn Stock\u003c\/dd\u003e\n \u003cdt\u003eShipping\u003c\/dt\u003e\n\u003cdd\u003e2–5 business days, United States\u003c\/dd\u003e\n \u003cdt\u003eReturns\u003c\/dt\u003e\n\u003cdd\u003e30-day free returns by mail\u003c\/dd\u003e\n\n \u003cdt\u003eFilter Type\u003c\/dt\u003e\n\u003cdd\u003eDeep-Pleated Extended Surface ASHRAE Cell Filter\u003c\/dd\u003e\n \u003cdt\u003eFilter Media\u003c\/dt\u003e\n\u003cdd\u003eGlass Fine Microfibers — consistent efficiency throughout lifespan, does not degrade under dust loading, non-shedding glass fiber matrix\u003c\/dd\u003e\n \u003cdt\u003eMedia Separator\u003c\/dt\u003e\n\u003cdd\u003eHemmed-Edge Aluminum Corrugated Separator — prevents pleat convergence, maintains uniform airflow distribution\u003c\/dd\u003e\n\n \u003cdt\u003eMERV Efficiency\u003c\/dt\u003e\n \u003cdd\u003e\n MERV 11: 99.97% particle capture at 0.3 microns — general commercial and light healthcare;\n MERV 13: 99.99% particle capture at 0.3 microns — hospitals, laboratories, LEED buildings;\n MERV 14: 99.999% particle capture at 0.3 microns — pharmaceutical manufacturing, ISO cleanrooms, critical environments.\n \u003c\/dd\u003e\n\n \u003cdt\u003eFilter Depths\u003c\/dt\u003e\n\u003cdd\u003e6 inch (standard cell housing replacement, pocket filter retrofit); 12 inch (maximum dust holding capacity, extended service intervals)\u003c\/dd\u003e\n \u003cdt\u003eFrame Configurations\u003c\/dt\u003e\n\u003cdd\u003eSingle Header (side-access housings); Double Header (walk-in filter banks); Box-Style (free-standing units, maximum rigidity)\u003c\/dd\u003e\n \u003cdt\u003eFrame Materials\u003c\/dt\u003e\n\u003cdd\u003eGI (Galvanized Iron) — standard; SS (Stainless Steel) — corrosive\/high-humidity; Al (Aluminum) — weight-sensitive; MDF — non-metal specified applications\u003c\/dd\u003e\n \u003cdt\u003eStandard\u003c\/dt\u003e\n\u003cdd\u003eASHRAE 52.2 Compliant\u003c\/dd\u003e\n \u003cdt\u003eMax Operating Temperature\u003c\/dt\u003e\n\u003cdd\u003e176°F\u003c\/dd\u003e\n \u003cdt\u003eFinal Pressure Drop\u003c\/dt\u003e\n\u003cdd\u003e1.40 inches WG (Recommended)\u003c\/dd\u003e\n\n \u003cdt\u003eSuitable HVAC Systems\u003c\/dt\u003e\n\u003cdd\u003eVAV (Variable Air Volume) systems, Package systems, Air handlers, Split systems, Built-up filter banks, Free-standing units, High humidity environments\u003c\/dd\u003e\n\n \u003cdt\u003eKey Advantages vs Synthetic Media\u003c\/dt\u003e\n \u003cdd\u003eGlass fiber matrix maintains consistent MERV efficiency as dust loading increases. Synthetic media can experience efficiency drift as pore structure changes under load. Glass microfiber achieves higher sub-micron capture at equivalent MERV ratings.\u003c\/dd\u003e\n\n \u003cdt\u003eDirect Pocket Filter Replacement\u003c\/dt\u003e\n\u003cdd\u003eYes — 6 inch depth enables direct retrofit replacement of conventional pocket bag filters without housing modification\u003c\/dd\u003e\n\n \u003cdt\u003eApplications\u003c\/dt\u003e\n \u003cdd\u003eHospitals and healthcare (MERV 14, 99.999% pathogen control); Pharmaceutical manufacturing (GMP, ISO cleanroom pre-filtration); VAV commercial buildings; High humidity environments.\u003c\/dd\u003e\n \u003c\/dl\u003e\n \u003c\/div\u003e\n\n \u003cdiv class=\"page-wrapper\"\u003e\n\n \u003c!-- BREADCRUMB — matches BreadcrumbList in @graph above --\u003e\n \u003cnav aria-label=\"Breadcrumb\" class=\"breadcrumb\"\u003e\n \u003ca href=\"https:\/\/www.accurafil.com\"\u003eHome\u003c\/a\u003e\n \u003cspan aria-hidden=\"true\"\u003e›\u003c\/span\u003e\n \u003ca href=\"\/collections\/industrial-air-filters\"\u003eIndustrial Air Filters\u003c\/a\u003e\n \u003cspan aria-hidden=\"true\"\u003e›\u003c\/span\u003e\n \u003ca href=\"\/collections\/cell-filters\"\u003eCell Filters\u003c\/a\u003e\n \u003cspan aria-hidden=\"true\"\u003e›\u003c\/span\u003e\n \u003cspan class=\"breadcrumb-current\" aria-current=\"page\"\u003eHigh-Efficiency ASHRAE Cell Filter\u003c\/span\u003e\n \u003c\/nav\u003e\n\n \u003cmain id=\"main-content\" role=\"main\" aria-label=\"AccuraFil High-Efficiency ASHRAE Cell Filter\" itemscope itemtype=\"https:\/\/schema.org\/Product\"\u003e\n\n \u003c!-- ═══ HERO ═══ --\u003e\n \u003cheader class=\"product-hero\" aria-labelledby=\"product-heading\"\u003e\n \u003cp class=\"hero-eyebrow\" data-speakable=\"true\"\u003eIndustrial HVAC Filtration\u003c\/p\u003e\n \u003ch1 id=\"product-heading\" class=\"ai-summary\" itemprop=\"name\"\u003eHigh-Efficiency ASHRAE Cell Filter\u003c\/h1\u003e\n \u003cp class=\"hero-subtitle ai-value-prop\"\u003eDeep-Pleated, Extended-Surface Design for Superior Dust Capture and Airflow.\u003c\/p\u003e\n \u003cdiv class=\"hero-badges\" role=\"list\" aria-label=\"Product performance highlights\"\u003e\n \u003cspan class=\"badge badge-glass\" role=\"listitem\"\u003eGlass Fine Microfibers\u003c\/span\u003e\n \u003cspan class=\"badge badge-green\" role=\"listitem\"\u003eUp to MERV 14\u003c\/span\u003e\n \u003cspan class=\"badge badge-teal\" role=\"listitem\"\u003eVAV System Suitable\u003c\/span\u003e\n \u003cspan class=\"badge badge-green\" role=\"listitem\"\u003eLow Pressure Drop\u003c\/span\u003e\n \u003cspan class=\"badge badge-amber\" role=\"listitem\"\u003eIAQ Compliance\u003c\/span\u003e\n \u003c\/div\u003e\n \u003c\/header\u003e\n\n \u003c!-- ═══ ABOUT THIS PRODUCT ═══ --\u003e\n \u003carticle class=\"card mb-40\" aria-labelledby=\"about-heading\"\u003e\n \u003cp class=\"card-eyebrow\"\u003eAbout This Product\u003c\/p\u003e\n \u003ch2 class=\"card-title\" id=\"about-heading\"\u003eGlass Microfiber Precision for Demanding HVAC Environments\u003c\/h2\u003e\n \u003cdiv class=\"prose ai-summary\" itemprop=\"description\"\u003e\n \u003cul style=\"padding-left:20px;\"\u003e\n \u003cli\u003eAccuraFil High-Efficiency ASHRAE Cell Filter is a deep-pleated, extended-surface design filter made with glass fine microfibers, delivering consistent filtration efficiency throughout its full service life — unlike synthetic media filters whose efficiency can degrade as dust loading increases.\u003c\/li\u003e\n \u003cli\u003eEngineered for a wide range of demanding conditions, including high humidity environments and variable air volume (VAV) systems where structural integrity and efficiency consistency under fluctuating airflow are critical requirements.\u003c\/li\u003e\n \u003cli\u003eAvailable in single header, double header, or box-style frame configurations in GI, SS, Al, or MDF materials — with 6\" and 12\" depth options — providing flexibility for direct replacement of traditional pocket-style filters across diverse housing types.\u003c\/li\u003e\n \u003cli\u003eAchieves MERV 11, MERV 13, and MERV 14 per ASHRAE 52.2. Supported by hemmed-edge aluminum corrugated separators for precise pleat spacing throughout service life.\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003c\/div\u003e\n \u003c\/article\u003e\n\n \u003c!-- Features Section --\u003e\n \u003cdiv class=\"features-section\" role=\"list\" aria-label=\"Key product features\"\u003e\n\n \u003carticle class=\"feature-card\" role=\"listitem\" itemscope itemtype=\"https:\/\/schema.org\/ItemList\"\u003e\n \u003cdiv class=\"feature-icon\" aria-hidden=\"true\"\u003e🔬\u003c\/div\u003e\n \u003ch3 class=\"feature-title\" itemprop=\"name\"\u003eAdvanced Filtration Technology\u003c\/h3\u003e\n \u003cul class=\"feature-list\" itemprop=\"description\"\u003e\n \u003cli\u003eGlass fine microfibers deliver consistent efficiency throughout filter lifespan\u003c\/li\u003e\n \u003cli\u003eUp to 99.999% particle capture efficiency at 0.3 microns (MERV 14)\u003c\/li\u003e\n \u003cli\u003eSuitable for high humidity and variable air volume (VAV) systems\u003c\/li\u003e\n \u003cli\u003eMERV 11, MERV 13, and MERV 14 per ASHRAE 52.2\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003c\/article\u003e\n\n \u003carticle class=\"feature-card\" role=\"listitem\" itemscope itemtype=\"https:\/\/schema.org\/ItemList\"\u003e\n \u003cdiv class=\"feature-icon\" aria-hidden=\"true\"\u003e⚙️\u003c\/div\u003e\n \u003ch3 class=\"feature-title\" itemprop=\"name\"\u003eSuperior Construction\u003c\/h3\u003e\n \u003cul class=\"feature-list\" itemprop=\"description\"\u003e\n \u003cli\u003eSingle header, double header, or box-style frame configurations\u003c\/li\u003e\n \u003cli\u003eFrame materials: GI, SS, Al, or MDF\u003c\/li\u003e\n \u003cli\u003eHemmed-edge aluminum corrugated separator for precise pleat spacing\u003c\/li\u003e\n \u003cli\u003eCompact design replaces traditional pocket-style filters\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003c\/article\u003e\n\n \u003carticle class=\"feature-card\" role=\"listitem\" itemscope itemtype=\"https:\/\/schema.org\/ItemList\"\u003e\n \u003cdiv class=\"feature-icon\" aria-hidden=\"true\"\u003e🛡️\u003c\/div\u003e\n \u003ch3 class=\"feature-title\" itemprop=\"name\"\u003eReliable Performance\u003c\/h3\u003e\n \u003cul class=\"feature-list\" itemprop=\"description\"\u003e\n \u003cli\u003eBuilt to withstand extreme conditions — enhanced filter strength\u003c\/li\u003e\n \u003cli\u003eIdeal for package systems, air handlers, and split systems\u003c\/li\u003e\n \u003cli\u003eSuited for built-up filter banks and free-standing units\u003c\/li\u003e\n \u003cli\u003eAvailable in 6\" and 12\" depth for flexible installation\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003c\/article\u003e\n\n \u003c\/div\u003e\n\n \u003cdiv class=\"grid-2 mb-40\"\u003e\n\n \u003csection class=\"card\" aria-labelledby=\"features-heading\"\u003e\n \u003cp class=\"card-eyebrow\"\u003ePerformance Attributes\u003c\/p\u003e\n \u003ch2 class=\"card-title\" id=\"features-heading\"\u003eGlass Microfiber Performance \u0026amp; Configuration Flexibility\u003c\/h2\u003e\n \u003cul class=\"feature-list ai-value-prop\"\u003e\n \u003cli\u003e\n \u003cspan\u003e\n \u003cstrong\u003eConsistent Efficiency Throughout Lifespan:\u003c\/strong\u003e Glass fine microfibers maintain their filtration efficiency as dust load increases — the fiber matrix does not degrade or change pore structure over time, ensuring the rated MERV performance is sustained from first installation to end of service life.\n \u003c\/span\u003e\n \u003c\/li\u003e\n \u003cli\u003e\n \u003cspan\u003e\n \u003cstrong\u003eHigh Humidity \u0026amp; VAV Resistance:\u003c\/strong\u003e Glass microfiber media retains structural integrity and efficiency under elevated humidity and variable airflow conditions, making it the superior choice over synthetic media in environments where moisture or pressure fluctuation is present.\n \u003c\/span\u003e\n \u003c\/li\u003e\n \u003cli\u003e\n \u003cspan\u003e\n \u003cstrong\u003eHemmed-Edge Aluminum Corrugated Separator:\u003c\/strong\u003e Precision-formed hemmed edges prevent separator migration and pleat convergence throughout the deep-pleated media pack, maintaining uniform airflow distribution and maximum effective filtration area across both 6\" and 12\" filter depths.\n \u003c\/span\u003e\n \u003c\/li\u003e\n \u003cli\u003e\n \u003cspan\u003e\n \u003cstrong\u003eMultiple Frame \u0026amp; Header Configurations:\u003c\/strong\u003e Three frame styles and four material options provide precise compatibility across standard cell housings, built-up filter banks, air handlers, package systems, and free-standing units — enabling direct pocket filter replacement without housing modification.\n \u003c\/span\u003e\n \u003c\/li\u003e\n \u003c\/ul\u003e\n \u003c\/section\u003e\n\n \u003c!-- SPECS --\u003e\n \u003csection class=\"card\" aria-labelledby=\"specs-heading\"\u003e\n \u003cp class=\"card-eyebrow\"\u003eTechnical Data\u003c\/p\u003e\n \u003ch2 class=\"card-title\" id=\"specs-heading\"\u003eTechnical Specifications \u0026amp; Compliance\u003c\/h2\u003e\n \u003ctable class=\"specs-table\" role=\"table\" aria-label=\"AccuraFil ASHRAE Cell Filter technical specifications\"\u003e\n \u003ccaption class=\"sr-only\"\u003eTechnical specifications for AccuraFil High-Efficiency ASHRAE Cell Filter — MERV 11, 13, 14 \/ Glass Fine Microfiber \/ ASHRAE 52.2 \/ 6 and 12 inch depths\u003c\/caption\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd class=\"spec-label\" scope=\"row\"\u003eFilter Type\u003c\/td\u003e\n \u003ctd class=\"spec-value\"\u003eHigh-Efficiency Extended Surface Deep Pleated Filter\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd class=\"spec-label\" scope=\"row\"\u003eMERV Efficiency\u003c\/td\u003e\n \u003ctd class=\"spec-value\"\u003e\n \u003cdiv class=\"merv-pills\" aria-label=\"Available MERV ratings: MERV 11, 13, 14\"\u003e\n \u003cspan class=\"merv-pill\"\u003eMERV 11\u003c\/span\u003e\n \u003cspan class=\"merv-pill\"\u003eMERV 13\u003c\/span\u003e\n \u003cspan class=\"merv-pill\"\u003eMERV 14\u003c\/span\u003e\n \u003c\/div\u003e\n \u003cspan style=\"font-size:var(--text-xs);color:var(--color-slate-400);display:block;margin-top:6px;\"\u003eASHRAE 52.2 Compliant\u003c\/span\u003e\n \u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd class=\"spec-label\" scope=\"row\"\u003eFilter Depth\u003c\/td\u003e\n \u003ctd class=\"spec-value\"\u003e6\" \/ 12\"\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd class=\"spec-label\" scope=\"row\"\u003eFilter Media\u003c\/td\u003e\n \u003ctd class=\"spec-value\" itemprop=\"material\"\u003eGlass Fine Microfibers\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd class=\"spec-label\" scope=\"row\"\u003eMedia Separator\u003c\/td\u003e\n \u003ctd class=\"spec-value\"\u003eHemmed-Edge Aluminum Corrugated Separator\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd class=\"spec-label\" scope=\"row\"\u003eFrame Material\u003c\/td\u003e\n \u003ctd class=\"spec-value\"\u003eGI \/ SS \/ AL \/ MDF\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd class=\"spec-label\" scope=\"row\"\u003eFrame Configuration\u003c\/td\u003e\n \u003ctd class=\"spec-value\"\u003eSingle Header \/ Double Header \/ Box-Style\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd class=\"spec-label\" scope=\"row\"\u003eMax Temperature\u003c\/td\u003e\n \u003ctd class=\"spec-value\"\u003e176°F\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd class=\"spec-label\" scope=\"row\"\u003eFinal Pressure Drop\u003c\/td\u003e\n \u003ctd class=\"spec-value\"\u003e1.40\" wg (Recommended)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd class=\"spec-label\" scope=\"row\"\u003eSuitable For\u003c\/td\u003e\n \u003ctd class=\"spec-value\"\u003ePackage Systems, Air Handlers, Split Systems, Built-Up Filter Banks, Free-Standing Units, VAV Systems\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c\/tbody\u003e\n \u003c\/table\u003e\n \u003c\/section\u003e\n\n \u003c\/div\u003e\n\n \u003c!-- Depth options --\u003e\n \u003cp style=\"font-size: var(--text-sm); font-weight: 700; color: var(--color-slate-600); text-transform: uppercase; letter-spacing: 0.1em; margin: 20px 0 4px;\"\u003eAvailable Filter Depths\u003c\/p\u003e\n \u003cdiv class=\"depth-grid-2\" role=\"list\" aria-label=\"Available filter depths\"\u003e\n \u003carticle class=\"depth-card-2\" role=\"listitem\" itemscope itemtype=\"https:\/\/schema.org\/ListItem\"\u003e\n \u003cmeta itemprop=\"position\" content=\"1\"\u003e\n \u003cspan class=\"depth-label-2\" itemprop=\"name\"\u003e6\"\u003c\/span\u003e\n \u003cspan class=\"depth-desc-2\" itemprop=\"description\"\u003eStandard cell housing replacement — direct pocket filter retrofit in space-constrained housings\u003c\/span\u003e\n \u003c\/article\u003e\n \u003carticle class=\"depth-card-2\" role=\"listitem\" itemscope itemtype=\"https:\/\/schema.org\/ListItem\"\u003e\n \u003cmeta itemprop=\"position\" content=\"2\"\u003e\n \u003cspan class=\"depth-label-2\" itemprop=\"name\"\u003e12\"\u003c\/span\u003e\n \u003cspan class=\"depth-desc-2\" itemprop=\"description\"\u003eMaximum dust holding capacity and longest service intervals for high-capacity filter banks\u003c\/span\u003e\n \u003c\/article\u003e\n \u003c\/div\u003e\n\n \u003c!-- Frame configuration selector --\u003e\n \u003cp style=\"font-size: var(--text-sm); font-weight: 700; color: var(--color-slate-600); text-transform: uppercase; letter-spacing: 0.1em; margin: 22px 0 4px;\"\u003eFrame Configurations\u003c\/p\u003e\n \u003cdiv class=\"config-grid\" role=\"list\" aria-label=\"Available frame configurations\"\u003e\n \u003carticle class=\"config-card\" role=\"listitem\" itemscope itemtype=\"https:\/\/schema.org\/ListItem\"\u003e\n \u003cmeta itemprop=\"position\" content=\"1\"\u003e\n \u003cspan class=\"config-icon\" aria-hidden=\"true\"\u003e🔲\u003c\/span\u003e\n \u003cspan class=\"config-name\" itemprop=\"name\"\u003eSingle Header\u003c\/span\u003e\n \u003cspan class=\"config-desc\" itemprop=\"description\"\u003eStandard side-access cell filter housings and air handlers\u003c\/span\u003e\n \u003c\/article\u003e\n \u003carticle class=\"config-card\" role=\"listitem\" itemscope itemtype=\"https:\/\/schema.org\/ListItem\"\u003e\n \u003cmeta itemprop=\"position\" content=\"2\"\u003e\n \u003cspan class=\"config-icon\" aria-hidden=\"true\"\u003e⬛\u003c\/span\u003e\n \u003cspan class=\"config-name\" itemprop=\"name\"\u003eDouble Header\u003c\/span\u003e\n \u003cspan class=\"config-desc\" itemprop=\"description\"\u003eWalk-in or both-sides-accessible built-up filter banks\u003c\/span\u003e\n \u003c\/article\u003e\n \u003carticle class=\"config-card\" role=\"listitem\" itemscope itemtype=\"https:\/\/schema.org\/ListItem\"\u003e\n \u003cmeta itemprop=\"position\" content=\"3\"\u003e\n \u003cspan class=\"config-icon\" aria-hidden=\"true\"\u003e📦\u003c\/span\u003e\n \u003cspan class=\"config-name\" itemprop=\"name\"\u003eBox-Style\u003c\/span\u003e\n \u003cspan class=\"config-desc\" itemprop=\"description\"\u003eMaximum rigidity for free-standing units and demanding installations\u003c\/span\u003e\n \u003c\/article\u003e\n \u003c\/div\u003e\n\n \u003c!-- APPLICATIONS --\u003e\n \u003csection class=\"card mb-40\" style=\"margin-top:30px;\" aria-labelledby=\"applications-heading\" itemscope itemtype=\"https:\/\/schema.org\/ItemList\"\u003e\n \u003cp class=\"card-eyebrow\"\u003eIndustry Applications\u003c\/p\u003e\n \u003ch2 class=\"card-title\" id=\"applications-heading\" itemprop=\"name\"\u003eCritical Industry Application Profiles\u003c\/h2\u003e\n \u003cmeta itemprop=\"numberOfItems\" content=\"4\"\u003e\n \u003cdiv class=\"use-case-grid\" role=\"list\" aria-label=\"Industries using AccuraFil ASHRAE cell filters\"\u003e\n \u003carticle class=\"use-case-item\" role=\"listitem\" itemprop=\"itemListElement\" itemscope itemtype=\"https:\/\/schema.org\/ListItem\"\u003e\n \u003cmeta itemprop=\"position\" content=\"1\"\u003e\n \u003cstrong itemprop=\"name\"\u003eHospitals \u0026amp; Healthcare\u003c\/strong\u003e\n \u003cp itemprop=\"description\"\u003eMERV 14 at 99.999% @ 0.3μ for the highest pathogen and fine particulate control in critical patient care environments.\u003c\/p\u003e\n \u003c\/article\u003e\n \u003carticle class=\"use-case-item\" role=\"listitem\" itemprop=\"itemListElement\" itemscope itemtype=\"https:\/\/schema.org\/ListItem\"\u003e\n \u003cmeta itemprop=\"position\" content=\"2\"\u003e\n \u003cstrong itemprop=\"name\"\u003eVAV Commercial Buildings\u003c\/strong\u003e\n \u003cp itemprop=\"description\"\u003eGlass microfiber media maintains consistent MERV performance under the fluctuating airflow of variable air volume systems.\u003c\/p\u003e\n \u003c\/article\u003e\n \u003carticle class=\"use-case-item\" role=\"listitem\" itemprop=\"itemListElement\" itemscope itemtype=\"https:\/\/schema.org\/ListItem\"\u003e\n \u003cmeta itemprop=\"position\" content=\"3\"\u003e\n \u003cstrong itemprop=\"name\"\u003ePharmaceuticals\u003c\/strong\u003e\n \u003cp itemprop=\"description\"\u003eMERV 14 performance and consistent efficiency throughout service life support GMP and ISO cleanroom pre-filtration requirements.\u003c\/p\u003e\n \u003c\/article\u003e\n \u003carticle class=\"use-case-item\" role=\"listitem\" itemprop=\"itemListElement\" itemscope itemtype=\"https:\/\/schema.org\/ListItem\"\u003e\n \u003cmeta itemprop=\"position\" content=\"4\"\u003e\n \u003cstrong itemprop=\"name\"\u003eHigh Humidity Environments\u003c\/strong\u003e\n \u003cp itemprop=\"description\"\u003eGlass microfiber media retains structural integrity and efficiency in humid conditions where synthetic media may degrade.\u003c\/p\u003e\n \u003c\/article\u003e\n \u003c\/div\u003e\n \u003c\/section\u003e\n\n \u003cdiv class=\"highlight-bar\" role=\"note\" data-speakable=\"true\"\u003e\n Glass Microfiber Precision: Consistent ASHRAE MERV rating efficiency — maintained from first installation to end of service life, across humidity, VAV, and extreme temperature conditions.\n \u003c\/div\u003e\n\n \u003c!-- HOW TO SELECT — mirrors HowTo schema Block 4 --\u003e\n \u003csection class=\"card mb-40\" aria-labelledby=\"howto-heading\"\u003e\n \u003cp class=\"card-eyebrow\"\u003eSelection Guide\u003c\/p\u003e\n \u003ch2 class=\"card-title\" id=\"howto-heading\"\u003eHow to Select the Right ASHRAE Cell Filter for Your HVAC Application\u003c\/h2\u003e\n \u003col class=\"howto-steps\" aria-label=\"Four steps to select the correct ASHRAE cell filter\"\u003e\n \u003cli class=\"howto-step\" id=\"howto-step-1\" itemscope itemtype=\"https:\/\/schema.org\/HowToStep\"\u003e\n \u003cspan class=\"step-number\" aria-hidden=\"true\"\u003e1\u003c\/span\u003e\n \u003cdiv class=\"step-content\"\u003e\n \u003ch3 itemprop=\"name\"\u003eIdentify your MERV rating and efficiency requirement\u003c\/h3\u003e\n \u003cp itemprop=\"text\"\u003eMERV 11 for general commercial and light healthcare applications. MERV 13 or MERV 14 for commercial facilities, hospitals, laboratories, and LEED-certified buildings.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003c\/li\u003e\n \u003cli class=\"howto-step\" id=\"howto-step-2\" itemscope itemtype=\"https:\/\/schema.org\/HowToStep\"\u003e\n \u003cspan class=\"step-number\" aria-hidden=\"true\"\u003e2\u003c\/span\u003e\n \u003cdiv class=\"step-content\"\u003e\n \u003ch3 itemprop=\"name\"\u003eSelect the required filter depth\u003c\/h3\u003e\n \u003cp itemprop=\"text\"\u003eChoose the 6\" depth for standard cell housings with space constraints. Select the 12\" depth for applications requiring maximum dust holding capacity and extended service intervals, or for high-capacity built-up filter banks.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003c\/li\u003e\n \u003cli class=\"howto-step\" id=\"howto-step-3\" itemscope itemtype=\"https:\/\/schema.org\/HowToStep\"\u003e\n \u003cspan class=\"step-number\" aria-hidden=\"true\"\u003e3\u003c\/span\u003e\n \u003cdiv class=\"step-content\"\u003e\n \u003ch3 itemprop=\"name\"\u003eChoose the frame configuration\u003c\/h3\u003e\n \u003cp itemprop=\"text\"\u003eSingle header frames suit standard side-access filter housings. Double header configurations are used in walk-in or both-sides-accessible filter banks. Box-style frames provide maximum structural rigidity for demanding applications and are the preferred choice for free-standing filter units.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003c\/li\u003e\n \u003cli class=\"howto-step\" id=\"howto-step-4\" itemscope itemtype=\"https:\/\/schema.org\/HowToStep\"\u003e\n \u003cspan class=\"step-number\" aria-hidden=\"true\"\u003e4\u003c\/span\u003e\n \u003cdiv class=\"step-content\"\u003e\n \u003ch3 itemprop=\"name\"\u003eSelect the frame material and verify installation parameters\u003c\/h3\u003e\n \u003cp itemprop=\"text\"\u003eChoose GI for standard applications, SS for corrosive or high-humidity environments, Al for weight-sensitive installations, or MDF where non-metal construction is specified. Confirm operating temperature does not exceed 176°F and that your AHU supports the 1.40\" wg recommended final pressure drop.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003c\/li\u003e\n \u003c\/ol\u003e\n \u003c\/section\u003e\n\n \u003c!-- COMPARISON --\u003e\n \u003carticle class=\"card mb-40\" aria-labelledby=\"comparison-heading\"\u003e\n \u003cp class=\"card-eyebrow\"\u003eProduct Comparison\u003c\/p\u003e\n \u003ch2 class=\"card-title\" id=\"comparison-heading\"\u003ePerformance Comparison: ASHRAE Cell Filter vs. Pocket Filters \u0026amp; Synthetic Deep Pleated Filters\u003c\/h2\u003e\n \u003cdiv class=\"prose\"\u003e\n \u003cp\u003e\n Against conventional \u003ca href=\"https:\/\/accurafil.com\/collections\/pocket-filter\"\u003epocket bag filters\u003c\/a\u003e, the ASHRAE cell filter delivers superior structural performance in VAV and high-humidity environments. Glass microfiber media retains its rated MERV efficiency as dust loading increases — pocket filters using synthetic media can experience efficiency drift as the media structure changes under load. The compact cell format also occupies less depth than equivalent bag configurations, simplifying retrofits in space-constrained housings.\n \u003c\/p\u003e\n \u003cp\u003e\n Compared to \u003ca href=\"https:\/\/accurafil.com\/collections\/rigid-pac-filter\"\u003esynthetic media deep pleated filters\u003c\/a\u003e, glass microfiber construction provides demonstrably higher sub-micron capture efficiency at equivalent MERV ratings. The hemmed-edge aluminum corrugated separator maintains more precise pleat spacing than expanded metal mesh across deep filter depths, ensuring the full media area remains active and evenly loaded throughout the service interval — directly translating to longer filter life and fewer change-outs per year.\n \u003c\/p\u003e\n \u003c\/div\u003e\n \u003c\/article\u003e\n\n \u003c!-- FAQ — h3 tags + inline microdata for dual-layer coverage --\u003e\n \u003csection class=\"card mb-40\" aria-labelledby=\"faq-heading\"\u003e\n \u003cp class=\"card-eyebrow\"\u003eFrequently Asked Questions\u003c\/p\u003e\n \u003ch2 class=\"card-title\" id=\"faq-heading\"\u003eProduct FAQ\u003c\/h2\u003e\n \u003cdiv class=\"faq-list\"\u003e\n\n \u003cdiv class=\"faq-item\" itemscope itemtype=\"https:\/\/schema.org\/Question\"\u003e\n \u003ch3 itemprop=\"name\"\u003eWhat is an ASHRAE cell filter?\u003c\/h3\u003e\n \u003cdiv itemprop=\"acceptedAnswer\" itemscope itemtype=\"https:\/\/schema.org\/Answer\"\u003e\n \u003cp itemprop=\"text\"\u003eAn ASHRAE cell filter is a deep-pleated, extended-surface air filter designed to meet ASHRAE 52.2 efficiency standards. The 'cell' format refers to the compact, self-contained filter unit with a rigid frame — available in single header, double header, or box-style configurations — that slots into standard cell-type filter housings and built-up filter banks. AccuraFil's ASHRAE cell filter uses glass fine microfiber media for consistent efficiency throughout its full service life.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv class=\"faq-item\" itemscope itemtype=\"https:\/\/schema.org\/Question\"\u003e\n \u003ch3 itemprop=\"name\"\u003eWhy use glass fine microfiber media instead of synthetic media?\u003c\/h3\u003e\n \u003cdiv itemprop=\"acceptedAnswer\" itemscope itemtype=\"https:\/\/schema.org\/Answer\"\u003e\n \u003cp itemprop=\"text\"\u003eGlass fine microfibers provide sub-micron filtration performance that synthetic media cannot match at equivalent thicknesses. The glass fiber matrix maintains consistent filtration efficiency throughout the filter's lifespan — it does not degrade, shed, or change pore structure as dust loading increases. This makes glass microfiber media the preferred choice when efficiency at 0.3 microns is a critical specification, achieving up to 99.999% particle capture.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv class=\"faq-item\" itemscope itemtype=\"https:\/\/schema.org\/Question\"\u003e\n \u003ch3 itemprop=\"name\"\u003eWhat is a hemmed-edge aluminum corrugated separator?\u003c\/h3\u003e\n \u003cdiv itemprop=\"acceptedAnswer\" itemscope itemtype=\"https:\/\/schema.org\/Answer\"\u003e\n \u003cp itemprop=\"text\"\u003eA hemmed-edge aluminum corrugated separator is a precision-formed aluminum strip with folded (hemmed) edges that maintains consistent pleat spacing throughout the deep-pleated media pack. The corrugated geometry and hemmed edges prevent separator migration and media contact, ensuring uniform airflow distribution across the full filter depth and preventing the reduction in effective filtration area that occurs when pleats converge.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv class=\"faq-item\" itemscope itemtype=\"https:\/\/schema.org\/Question\"\u003e\n \u003ch3 itemprop=\"name\"\u003eWhat HVAC systems is the ASHRAE cell filter suitable for?\u003c\/h3\u003e\n \u003cdiv itemprop=\"acceptedAnswer\" itemscope itemtype=\"https:\/\/schema.org\/Answer\"\u003e\n \u003cp itemprop=\"text\"\u003eAccuraFil ASHRAE cell filters are suitable for package systems, air handlers, split systems, built-up filter banks, and free-standing units. They are also specifically engineered for variable air volume (VAV) systems and high humidity environments where conventional pocket-style filters may degrade or lose structural integrity over time.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv class=\"faq-item\" itemscope itemtype=\"https:\/\/schema.org\/Question\"\u003e\n \u003ch3 itemprop=\"name\"\u003eWhat frame and header configurations are available?\u003c\/h3\u003e\n \u003cdiv itemprop=\"acceptedAnswer\" itemscope itemtype=\"https:\/\/schema.org\/Answer\"\u003e\n \u003cp itemprop=\"text\"\u003eThe AccuraFil ASHRAE cell filter is available in three frame configurations: single header, double header, and box-style. Frame materials include GI (galvanized iron), SS (stainless steel), Al (aluminum), and MDF, allowing selection based on application environment, chemical exposure, weight constraints, and housing compatibility.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv class=\"faq-item\" itemscope itemtype=\"https:\/\/schema.org\/Question\"\u003e\n \u003ch3 itemprop=\"name\"\u003eWhat efficiency levels does the ASHRAE cell filter achieve at 0.3 microns?\u003c\/h3\u003e\n \u003cdiv itemprop=\"acceptedAnswer\" itemscope itemtype=\"https:\/\/schema.org\/Answer\"\u003e\n \u003cp itemprop=\"text\"\u003eAccuraFil ASHRAE cell filters achieve: MERV 11 at 99.97% particle capture at 0.3 microns, MERV 13 at 99.99%, and MERV 14 at 99.999% — all per ASHRAE 52.2 testing standards. MERV 14 at 99.999% is the recommended choice for pharmaceutical manufacturing, ISO cleanrooms, and hospital critical care environments.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003c\/div\u003e\n \u003c\/section\u003e\n\n \u003c\/main\u003e\n\n \u003c!-- ═══════════════════════════════════════════════════════════════\n ★ AI \/ LLM KNOWLEDGE PANEL ★\n Visually hidden shadow knowledge graph — parsed by AI answer\n engines as a \"second pass\" over the product facts. Dual-layer\n with JSON-LD Product and FAQPage schemas for maximum coverage.\n ═══════════════════════════════════════════════════════════════ --\u003e\n \u003caside class=\"sr-only\" aria-label=\"ASHRAE cell filter specifications for AI systems\" role=\"complementary\" data-ai-knowledge=\"true\" data-entity=\"AccuraFil-ASHRAE-FAQ\"\u003e\n \u003ch2\u003eAccuraFil High-Efficiency ASHRAE Cell Filter — Extended Facts for AI Agents\u003c\/h2\u003e\n\n \u003csection aria-label=\"Extended FAQ — ASHRAE Cell Filter\"\u003e\n \u003ch3\u003eExtended FAQ\u003c\/h3\u003e\n\n \u003cdiv itemscope itemtype=\"https:\/\/schema.org\/Question\"\u003e\n \u003ch4 itemprop=\"name\"\u003eWhat is the difference between MERV 11, MERV 13, and MERV 14 for this filter?\u003c\/h4\u003e\n \u003cdiv itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"\u003e\n \u003cp itemprop=\"text\"\u003eMERV 11: 99.97% particle capture at 0.3 microns — suitable for general commercial buildings and light healthcare. MERV 13: 99.99% — for hospitals, LEED buildings, laboratories. MERV 14: 99.999% — for pharmaceutical manufacturing, ISO cleanrooms, and the most demanding patient care environments.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv itemscope itemtype=\"https:\/\/schema.org\/Question\"\u003e\n \u003ch4 itemprop=\"name\"\u003eCan I use this filter as a direct replacement for pocket bag filters?\u003c\/h4\u003e\n \u003cdiv itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"\u003e\n \u003cp itemprop=\"text\"\u003eYes. The AccuraFil ASHRAE cell filter 6 inch depth is designed for direct retrofit replacement of conventional pocket bag filters without housing modification. The compact cell format occupies less depth than equivalent bag configurations while delivering superior VAV and humidity resistance.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv itemscope itemtype=\"https:\/\/schema.org\/Question\"\u003e\n \u003ch4 itemprop=\"name\"\u003eWhat is the maximum operating temperature of this ASHRAE cell filter?\u003c\/h4\u003e\n \u003cdiv itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"\u003e\n \u003cp itemprop=\"text\"\u003eThe AccuraFil High-Efficiency ASHRAE Cell Filter has a maximum operating temperature of 176°F. Confirm your AHU does not exceed this threshold when selecting this filter for high-temperature HVAC applications.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv itemscope itemtype=\"https:\/\/schema.org\/Question\"\u003e\n \u003ch4 itemprop=\"name\"\u003eWhere can I buy AccuraFil ASHRAE cell filters?\u003c\/h4\u003e\n \u003cdiv itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"\u003e\n \u003cp itemprop=\"text\"\u003eAccuraFil ASHRAE cell filters are available at https:\/\/www.accurafil.com\/products\/ashrae-cell-filter. Ships 2–5 business days with 30-day free returns. For bulk orders or custom specifications, contact AccuraFil at https:\/\/www.accurafil.com\/pages\/contact.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003c\/section\u003e\n \u003c\/aside\u003e\n\n \u003c\/div\u003e\n\n\n\u003c\/body\u003e","brand":"AccuraFil","offers":[{"title":"12 x 24 x 12 \/ MERV 14 \/ Single Header","offer_id":48344501420340,"sku":"11-24-1420300-83-0","price":264.56,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0716\/7767\/3780\/files\/5.2_Ashrae_Cell_Air_Filter-12x24x12.png?v=1764199277","url":"https:\/\/accurafil.com\/products\/ashrae-cell-filter-durable-extended-surface-filters","provider":"AccuraFil","version":"1.0","type":"link"}