Rigid Bag Filter Manufacturer | Custom HVAC Filters

Rigid Bag Filter Specifications

Our rigid bag filters can be customized according to filtration efficiency, filter depth, media type, frame material, pocket design, airflow, pressure drop requirement, and installation system. Send us your filter size, efficiency grade, airflow requirement, and quantity for a suitable quotation.

Efficiency Grade	MERV 11, MERV 13, MERV 14, MERV 15 / ISO 16890 ePM10, ePM2.5, ePM1
Filter Media	Synthetic fiber, Glass fiber, or Composite media
Frame Material	Galvanized steel, Plastic (ABS/PS), Aluminum, or Custom
Pocket Design	Supported rigid pocket structure (V-shape or custom)
Standard / Custom Size	24x24, 24x20, 24x12, 12x24, or Custom dimensions
Filter Depth	12", 15", 21", 22", 26", 29", or Custom depth
Airflow & Pressure Drop	Depending on media type, filter size, efficiency grade, and rated airflow.
Dust-Holding Capacity	Depending on media type, filter size, efficiency grade, and rated airflow.
Application	Commercial HVAC, AHUs, Industrial Ventilation
Packaging & MOQ	Carton/Pallet. OEM private label supported. Contact for MOQ.

✓ MERV / ISO 16890 Options ✓ Rigid Self-Supporting ✓ High Dust-Holding ✓ Low Pressure Drop ✓ OEM Support

Rigid Bag Filter Products We Supply

As a rigid bag filter supplier, we support different rigid bag filter solutions for commercial HVAC systems, air handling units, industrial ventilation, distributor stock, and project-based air filtration.

Rigid Bag Filter

A rigid bag filter is designed with a self-supporting structure and extended filter media area to help provide stable airflow, high dust-holding capacity, and reliable filtration performance in commercial and industrial ventilation systems.

Best For: Commercial HVAC, AHUs, office buildings, hospitals, schools, airports, and industrial ventilation systems.

Rigid Filter Bag

Combines bag-style filtration area with a more stable frame or pocket support structure. Suitable for buyers who need stronger shape stability than traditional soft pocket filters.

Best For: AHU filter sections, ventilation systems, high-airflow HVAC systems, and maintenance replacement projects.

Rigid Filter Bags for Bulk Supply

Supplied in standard or customized sizes for HVAC distributors, facility maintenance contractors, and project buyers who need repeatable specifications and stable packaging.

Best For: Distributor stock, facility maintenance programs, project procurement, and long-term replacement supply.

MERV Rigid Bag Filter

Selected according to indoor air quality requirements, HVAC system capacity, airflow resistance limits, and application conditions.

Best For: Commercial buildings, healthcare-related facilities, public buildings, schools, offices, and cleaner indoor environments.

Custom Rigid Bag Air Filter

Produced according to size, depth, frame material, media type, efficiency grade, airflow requirement, label, and packaging.

Best For: OEM projects, non-standard AHU systems, equipment manufacturers, and replacement projects.

High Capacity Rigid Bag Filter

Designed for applications where longer service life, larger media area, and higher dust-holding capacity are important.

Best For: Industrial ventilation, high-airflow AHUs, airports, shopping malls, factories, and large commercial buildings.

Common Sourcing Problems for Rigid Bag Filters

The wrong rigid bag filter can increase pressure drop, reduce airflow, shorten service life, deform during operation, or fail to fit the air handling unit correctly. Our rigid bag filter solutions help buyers balance filtration efficiency, airflow performance, dust-holding capacity, and installation reliability.

Pain Point	Business Impact	Our Solution
Filter bags deform or collapse	Blocks airflow, reduces effective filtration area, and increases energy costs.	Rigid self-supporting structure maintains shape under suitable airflow.
High initial pressure drop	Forces HVAC fans to work harder, wasting energy and reducing system airflow.	Optimized media and pocket design to balance efficiency and resistance.
Short service life (clogs fast)	Increases replacement frequency, maintenance labor, and total procurement cost.	Extended media area provides high dust-holding capacity for longer life.
Size mismatch with AHU frame	Causes air bypass, leaks unfiltered air, and fails to protect downstream equipment.	Standard and custom sizes available with optional gaskets for proper sealing.
Inconsistent batch quality	Creates problems for distributors and facility managers who need reliable stock.	Factory-direct manufacturing ensures repeatable specifications and packaging.

Why Choose Our Rigid Bag Filters

Our rigid bag filters are designed around structural stability, high dust-holding capacity, airflow performance, flexible customization, batch consistency, and commercial HVAC application needs.

Rigid Self-Supporting Structure

Our rigid bag filters use a reinforced frame and supported pocket structure to help maintain filter shape during operation. Designed to reduce sagging and collapse.

Customer Benefit: Improve installation stability, reduce deformation issues, and maintain consistent airflow.

High Dust-Holding Capacity

The bag-style structure provides extended filter media area compared with many flat panel filter designs. The larger media area helps hold more dust.

Customer Benefit: Reduce replacement frequency, lower maintenance workload, and improve filter lifecycle value.

Low Pressure Drop Design

Media type, pocket depth, filter size, pocket number, and support structure can be selected to help balance filtration efficiency and airflow resistance.

Customer Benefit: A better-matched rigid bag filter helps maintain HVAC airflow and reduce unnecessary system load.

Efficiency Options

MERV or ISO 16890 options can be selected according to building type, indoor air quality target, HVAC system capacity, and pressure drop limit.

Customer Benefit: Choose a suitable filtration level instead of over-specifying or under-specifying the filter.

Custom Size & Packaging

Filter size, depth, frame material, media type, pocket design, label, and packaging can be customized according to AHU size or distributor needs.

Customer Benefit: Source filters that fit existing systems and support easier installation, inventory control, and resale.

Commercial & Industrial

Suitable for commercial HVAC systems, air handling units, hospitals, schools, airports, offices, laboratories, warehouses, and industrial ventilation.

Customer Benefit: Use one filter series across different HVAC and ventilation projects with project-specific specs.

Direct Manufacturer Supply

Automated Production

Strict Quality Testing

Factory-Direct Rigid Bag Filter Supply

Work directly with a filtration manufacturer for custom rigid bag filter production, efficiency grade selection, private label packaging, project quotation, and bulk supply.

1

Custom Size and Efficiency Selection Support

Send your filter size, depth, efficiency grade, frame material, airflow requirement, or existing sample photo. Our team can help review the specification before quotation.

2

Manufacturing and Assembly Capability

We support media cutting, pocket forming, frame assembly, sealing, labeling, packaging, and bulk shipment for commercial HVAC and AHU filtration projects.

3

OEM and Distributor Packaging

Private label, neutral packaging, carton design, barcode, pallet packaging, and export packaging can be discussed for distributors and project buyers.

4

Project and Repeat Order Support

For facility maintenance programs and distributor stock, we can support size lists, repeat production, batch packaging, and scheduled supply plans.

What Is a Rigid Bag Filter?

A rigid bag filter is an HVAC air filter designed with a supported bag or pocket-style structure inside a rigid frame. Compared with ordinary soft bag filters or flat panel filters, a rigid bag filter is designed to maintain better shape stability while providing a larger filtration media area for commercial and industrial ventilation systems.

Applications & Standards

Rigid bag filters are commonly used in air handling units, commercial HVAC systems, hospitals, schools, airports, office buildings, laboratories, warehouses, and industrial ventilation systems. Depending on the application, they can be supplied in different efficiency levels such as MERV-rated options or ISO 16890 classifications.

Engineering & Selection

For B2B buyers, choosing a rigid bag filter is not only about filter size. The filter should match the airflow, pressure drop limit, filter depth, frame design, dust-loading condition, installation method, replacement interval, and order type. It is often selected when buyers need higher dust-holding capacity, stable airflow, stronger structure, and longer service life than standard low-capacity filters.

Rigid Frame

Supported Pocket

Filter Media

How to Choose the Right Rigid Bag Filter

Before placing an order, confirm the efficiency grade, filter size, depth, airflow, pressure drop limit, media type, frame material, pocket structure, application, and order type. These details help determine whether a standard rigid bag filter or a custom solution is more suitable for your HVAC system.

Selection Factor	What Buyers Need to Check	Recommended Choice
Efficiency Grade	Target indoor air quality, building type, and HVAC pressure drop limit.	MERV 11-15 / ISO 16890 options based on system capacity.
Size & Depth	Dimensions of the existing AHU holding frame and available installation space.	Standard (e.g., 24x24) or custom sizes with suitable pocket depth.
Airflow & Pressure Drop	The rated airflow of the HVAC fan and maximum allowable resistance.	Match media area and pocket design to keep pressure drop within limits.
Frame Material	Operating environment (humidity, weight limits, disposal requirements).	Galvanized steel for strength, plastic for moisture resistance/disposal.
Order Type	Is this for a one-time project, distributor stock, or OEM equipment?	Discuss bulk supply, private label, and batch packaging options.

If you are not sure which efficiency grade, pocket structure, or filter depth to choose, send us your HVAC system information, filter size, airflow requirement, and quantity. Our team can help recommend a suitable rigid bag filter option.

Rigid Bag Filter vs. Standard Soft Bag Filter

Rigid bag filters and standard soft bag filters are both used in HVAC and air handling systems, but they differ in structural stability, airflow behavior, installation reliability, and maintenance performance.

Feature	Rigid Bag Filter	Standard Soft Bag Filter
Structure	Supported pocket structure inside a rigid outer frame.	Flexible unsupported bags attached to a header frame.
Shape Stability	Maintains shape well under variable airflow; less prone to sagging.	Bags inflate under airflow but may sag or touch when airflow stops/varies.
Airflow Distribution	More consistent due to rigid pocket separation.	Can be uneven if bags collapse or stick together.
Installation	Easy to slide into tracks; rigid frame provides reliable sealing.	Requires care to ensure bags are fully extended and not pinched.
Best Applications	High-airflow AHUs, variable air volume (VAV) systems, industrial ventilation.	General commercial HVAC with stable, continuous airflow.

Not sure whether a rigid bag filter or standard soft bag filter is better for your project? Send us your filter size, airflow requirement, efficiency grade, installation space, and replacement interval. We can help compare suitable options.

Rigid Bag Filter FAQ

What information should I provide for a rigid bag filter quotation?

Please provide the filter size, efficiency grade, filter depth, frame material, airflow requirement, application, quantity, and packaging requirement. If the filter is used in an existing AHU or HVAC filter section, please also confirm the installation space and holding frame dimensions. With these details, we can recommend a suitable rigid bag filter and provide a more accurate quotation.

What is the difference between a rigid bag filter and a soft bag filter?

A rigid bag filter uses a supported pocket or bag-style structure inside a rigid frame, while a soft bag filter uses flexible filter bags attached to a header frame. Rigid bag filters are often selected when buyers need better shape stability, more consistent airflow distribution, and improved installation reliability. The better choice depends on airflow, pressure drop, filter depth, application, and maintenance schedule. Send your filter specification and system details for recommendation.

What efficiency grades are available for rigid bag filters?

Rigid bag filters can be supplied with different MERV-rated or ISO 16890 options depending on indoor air quality requirements, HVAC system capacity, and pressure drop limits. The best efficiency grade should balance filtration performance, airflow resistance, operating cost, and application needs. Choosing the highest grade is not always the best option if the HVAC system cannot handle the pressure drop. Send your application details for a suitable recommendation.

Can you customize the size and frame material?

Yes. Rigid bag filters can be customized by length, width, depth, media type, efficiency grade, frame material, pocket design, gasket, label, and packaging. Common frame options include galvanized steel, plastic, aluminum, moisture-resistant frame, or customized materials. Custom sizes are useful for non-standard AHUs, replacement projects, OEM equipment, and distributor product lines. Please provide your size list and quantity for quotation.

Are rigid bag filters suitable for air handling units?

Yes. Rigid bag filters are commonly used in air handling units, commercial HVAC systems, industrial ventilation systems, hospitals, schools, airports, offices, laboratories, and large buildings. They are suitable when buyers need higher dust-holding capacity, stable airflow, and stronger structure than standard low-capacity filters. The final specification should be selected based on size, efficiency grade, airflow, pressure drop, and installation space.

Will a higher efficiency rigid bag filter increase pressure drop?

A higher efficiency filter may increase airflow resistance if the system is not designed for it. That is why buyers should confirm airflow, pressure drop limit, filter depth, and HVAC system capacity before selecting the efficiency grade. Rigid bag filters can be designed with suitable media, pocket structure, and depth to help balance filtration efficiency and airflow. Send your system details so we can help review the suitable option.

Do rigid bag filters have a longer service life than panel filters?

Rigid bag filters usually provide a larger media area than many flat panel filters, which can support higher dust-holding capacity under suitable operating conditions. This may help extend replacement intervals and reduce maintenance frequency. However, actual service life depends on dust concentration, airflow, humidity, filter depth, efficiency grade, and maintenance schedule. Send your application and operating conditions for a more suitable recommendation.

Do you support private label and bulk orders?

Yes. Private label, neutral packaging, carton design, barcode labels, pallet packaging, and bulk supply can be discussed for HVAC distributors, contractors, AHU manufacturers, facility maintenance companies, and project buyers. For bulk orders, please provide your size list, efficiency requirements, frame material, annual demand, packaging needs, and target market. We can help prepare a suitable rigid bag filter supply plan.

Request a Rigid Bag Filter Quote

Send your filter size, efficiency grade, filter depth, frame material, airflow requirement, application, and quantity. Our team will help recommend a suitable rigid bag filter solution for your HVAC or AHU project.

Full Name *

Business Email *

Company Name

Filter Size (e.g., 24x24) *

Efficiency Grade *

Estimated Quantity *

Upload Size List / Drawing (Optional)

Supported formats: PDF, JPG, PNG, STEP, IGES, STL, DWG (Max 20MB)

Project Details & Application

Need help choosing the right rigid bag filter?

Send us your size list, efficiency grade, airflow requirement, and application. Our team can help recommend a rigid bag filter based on your HVAC system, AHU design, and replacement needs.

Rigid self-supporting structure
MERV / ISO 16890 options depending on project requirements
Standard and custom sizes available
High dust-holding capacity design
Private label and distributor packaging supported
Factory-direct sample, trial, and bulk order supply

Direct Contact:

Annie.chen@clearfilterpro.com

+86 13538992575