AccuraFil synthetic rigid cell air filter with pink deep pleated media and a metal frame, designed for particulate filtration in commercial and industrial facilities like data centers, hospitals and cleanrooms.
AccuraFil synthetic rigid cell air filter with pink deep pleated media and a metal frame, designed for particulate filtration in commercial and industrial facilities like data centers, hospitals and cleanrooms.
AccuraFil synthetic rigid cell air filter with pink deep pleated media and a metal frame, designed for particulate filtration in commercial and industrial facilities like data centers, hospitals and cleanrooms.
AccuraFil synthetic rigid cell air filter with white deep pleated media and a metal frame, designed for particulate filtration in commercial and industrial facilities like data centers, hospitals and cleanrooms.
AccuraFil synthetic rigid cell air filter with deep pleat and a metal frame, designed for particulate filtration in commercial and industrial facilities like data centers, hospitals and cleanrooms.
Isometric view of a rigid Cell single header Air filter with deep plated synthetic filter media with labeled dimensions on a white background.
Isometric view of a rigid Cell Box Air filter with deep plated synthetic filter media with labeled dimensions on a white background.

RIGID-PACK FILTER

$149.71From $99.76

Engineered Air Filters for Industrial & Commercial HVAC Systems

Select Filter Specifications:

Nominal Size: W × H × D (in.): Choose an option

Nominal Size: W × H × D (in.): Choose an option
24 x 20 x 12
24 x 24 x 12
20 x 20 x 12

MERV Rating (ASHRAE 52.2): Choose an option

MERV Rating (ASHRAE 52.2): Choose an option
MERV 11
MERV 13
MERV 14
MERV 15

Frame Design: Choose an option

Frame Design: Choose an option
Single Header
Box - No Header
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Description
Rigid Pack Box Filter — MERV 12–15 | AccuraFil

About This Product

Rigid Engineering for Demanding HVAC Environments

  • AccuraFil Rigid Pack Box Filter is an extended surface deep pleated filter engineered specifically for variable air volume (VAV) systems and applications with turbulent airflow — where conventional pocket and box-type filters cannot maintain consistent structural integrity or filtration efficiency.
  • High-density melt-blown synthetic media with excellent dust-holding capacity is arranged in aerodynamic radial V-pleats with die-cut pleat stabilizers, ensuring consistent pleat geometry and maximum media utilization under variable pressure conditions.
  • The deep pleated media pack is securely enclosed within a rigid GI, SS, or Al metal frame using an expanded metal mesh separator, delivering leak-free operation and consistent performance across all operating conditions.
  • Available in MERV 12, 13, 14, and 15 per ASHRAE 52.2 (M6, F7, F8, F9 per EN 779) in a variety of standard sizes, directly replacing conventional pocket and box-type filters.

Product Feature Highlights

Advanced Filtration Technology

  • Ideal for VAV systems and turbulent airflow applications
  • High-density melt-blown media with excellent dust-holding capacity
  • Multi-layered, non-shedding, water-resistant synthetic media
  • MERV 12–15 per ASHRAE 52.2 (M6–F9 per EN 779)

Superior Construction

  • Enhanced performance through rigid design concept
  • Aerodynamic radial V-pleats for even airflow distribution
  • Die-cut pleat stabilizers prevent pleat collapse under variable airflow
  • Available in a variety of standard sizes

Reliable Performance

  • Deep pleated media pack securely enclosed in rigid metal frame
  • Leak-free operation — expanded metal mesh separator
  • Consistent performance across all operating conditions
  • Direct replacement for pocket and box-type filters

Performance Attributes

Built for Demanding Variable Airflow Conditions

  • VAV System Optimized: The rigid metal frame and die-cut pleat stabilizers maintain filter geometry under the pressure pulses and velocity fluctuations inherent to variable air volume systems — delivering consistent MERV performance that pocket filters cannot guarantee across the same airflow range.
  • Aerodynamic Radial V-Pleats: The V-pleat geometry distributes incoming airflow evenly across the full media surface, eliminating high-velocity hotspots that accelerate media loading in conventional pleated designs and extending service life.
  • Expanded Metal Mesh Separator: Maintains precise pleat-to-pleat spacing throughout the filter's full service life, ensuring uniform airflow distribution and preventing media contact that would reduce effective filtration area.
  • High Dust Holding Capacity: Multi-layer melt-blown synthetic media significantly increases DHC over conventional media, extending service intervals and reducing replacement frequency and associated labor costs.

Technical Data

Technical Specifications & Compliance

Filter Type Extended Surface Deep Pleated Filter
MERV Efficiency
MERV 12 MERV 13 MERV 14 MERV 15
ASHRAE 52.2 Compliant
Filter Media High-Density Melt-Blown Synthetic Media — Multi-layered, Non-shedding, Water-resistant
Media Separator Expanded Metal Mesh
Pleat Design Aerodynamic Radial V-Pleats with Die-Cut Pleat Stabilizers
Frame Material GI / SS / AL — Rigid Metal Enclosure
Sizes Available Variety of standard sizes — contact AccuraFil for full size matrix
Max Temperature 176°F
Final Pressure Drop 1.50" wg
Ideal For VAV Systems, Turbulent Airflow, Pocket and Box-Type Filter Replacement
Engineered for Variable Air Volume (VAV) Systems

Rigid metal frame construction and die-cut radial V-pleat stabilizers maintain filter integrity under fluctuating airflow velocities and pressure pulses — where pocket and bag-style filters deform, collapse, or allow bypass leakage.

Available Frame Materials

Galvanized Iron Standard commercial and industrial HVAC applications
Stainless Steel Corrosive, humid, or chemically aggressive environments
Aluminum Weight-sensitive or non-ferrous construction requirements

Industry Applications

Critical Industry Application Profiles

VAV Commercial Buildings

Maintains consistent MERV performance across the full airflow range of variable air volume HVAC systems.

Hospitals & Healthcare

Rigid frame ensures leak-free operation and sustained particulate control in critical patient care environments.

Pharmaceuticals

MERV 14–15 performance in a structurally stable format for GMP and ISO cleanroom pre-filtration stages.

Data Centers

High dust holding capacity and rigid construction protect sensitive equipment across demanding 24/7 airflow conditions.

Industrial Facilities

Water-resistant non-shedding media and metal frame provide durable performance in demanding industrial HVAC environments.

Rigid Where It Matters: Metal frame enclosure and aerodynamic V-pleats deliver leak-free, consistent filtration across every operating condition — including the toughest VAV and turbulent airflow environments.

Selection Guide

How to Select the Right Rigid Pack Box Filter for Your HVAC System

  1. Confirm your system has variable or turbulent airflow

    Rigid pack box filters are the preferred choice for VAV systems or any application with fluctuating airflow velocities. If your system operates at constant airflow, both rigid and pocket-style filters are suitable — but the rigid design remains the more durable long-term option in all conditions.

  2. Select the required MERV rating

    MERV 12 (M6) suits general commercial and industrial applications. MERV 13 (F7) is recommended for LEED-certified buildings and standard healthcare environments. MERV 14 (F8) serves medical centers and laboratories. MERV 15 (F9) is required for pharmaceutical manufacturing and ISO cleanrooms.

  3. Choose the correct frame material

    Select GI (galvanized iron) for standard commercial applications. Specify SS (stainless steel) for corrosive or humid environments. Choose Al (aluminum) where weight reduction is a priority or non-ferrous construction is required.

  4. Verify operating temperature and pressure drop compatibility

    Confirm the installation environment does not exceed 176°F and that your AHU fan capacity supports the final pressure drop of 1.50" wg. Confirm the filter dimensions match standard sizes available from AccuraFil.

Product Comparison

Performance Comparison: Rigid Pack Box vs. Pocket Filters & Standard Box Filters

Against conventional bag-style pocket filters, the Rigid Pack Box Filter eliminates the core structural weakness of bag-style designs — the inability to maintain pleat and bag geometry under variable or turbulent airflow. Die-cut radial V-pleats with expanded metal mesh separators ensure the media surface remains fully open and evenly loaded throughout the filter's service life, where pocket filter bags can deform, reduce effective area, and allow bypass leakage under the same conditions.

Compared to standard box-type filters without pleat stabilizers, the radial V-pleat geometry and aerodynamic design of the AccuraFil Rigid Pack Box Filter distributes airflow more evenly across the full media surface — reducing localized high-velocity zones that accelerate media loading and pressure drop buildup, and extending the overall service interval between replacement cycles.

Frequently Asked Questions

Product FAQ

What is a rigid pack box filter?

A rigid pack box filter is an extended surface deep pleated air filter where the media pack is securely enclosed within a rigid metal frame (GI, SS, or Al). Unlike flexible bag or pocket filters, the rigid design maintains consistent pleat geometry under variable airflow conditions, making it ideal for VAV systems and environments with turbulent or fluctuating airflow.

Why is a rigid box filter better for VAV systems than a pocket filter?

Variable air volume (VAV) systems subject filters to fluctuating airflow velocities and pressure pulses. Pocket bag filters can deform, collapse, or shed media under these conditions, compromising efficiency and causing bypass leakage. The AccuraFil Rigid Pack Box Filter's metal frame and radial V-pleat design with die-cut stabilizers maintain structural integrity and consistent filtration performance regardless of airflow variability.

What MERV ratings are available for the AccuraFil Rigid Pack Box Filter?

The AccuraFil Rigid Pack Box Filter is available in MERV 12 (M6), MERV 13 (F7), MERV 14 (F8), and MERV 15 (F9) per ASHRAE 52.2 and EN 779. MERV 12 suits general commercial and industrial applications. MERV 13 is recommended for LEED-certified buildings and standard healthcare environments. MERV 14 serves medical centers and laboratories. MERV 15 is required for pharmaceutical manufacturing and ISO cleanrooms.

What is the role of radial V-pleats and die-cut pleat stabilizers?

Radial V-pleats are an aerodynamic pleat geometry that distributes airflow evenly across the entire media surface, reducing localized pressure concentrations and extending media service life. Die-cut pleat stabilizers physically lock each pleat in position, preventing pleat collapse or convergence under high-velocity or turbulent airflow — a critical feature in VAV and demanding industrial HVAC applications.

What media separator does the rigid pack box filter use?

AccuraFil Rigid Pack Box Filters use an expanded metal mesh media separator. This construction maintains precise pleat spacing throughout the filter's service life, ensuring uniform airflow distribution across the full media surface and preventing pleat-to-pleat contact that would reduce effective filtration area.

Can this filter directly replace pocket and box-type filters?

Yes. The AccuraFil Rigid Pack Box Filter is engineered as a direct replacement for conventional pocket and box-type filters. It is available in a variety of standard sizes and delivers equivalent or superior MERV performance in a structurally durable rigid format that maintains consistent filtration efficiency in applications where pocket filters underperform.

What is the maximum operating temperature and final pressure drop?

The AccuraFil Rigid Pack Box Filter operates at a maximum temperature of 176°F (80°C) and has a final pressure drop of 1.50 inch wg. Ensure your AHU fan capacity supports this pressure drop before specifying the filter.