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About Air Filter Efficiency Ratings
More
Pleated Panel Air Filters

The pleats create a large surface area for filtering without reducing airflow. These filters are typically used as replacement filters in HVAC equipment. The cardboard frame is treated to resist humidity, and the galvanized steel grill prevents sagging.
These filters meet UL 900 flame retardance requirements. Actual size is up to 5/8” less than trade size.
Don’t see the size you need? Additional sizes are available.
For technical drawings and 3-D models, click on a part number.
Filter Efficiency @ | |||||||||
---|---|---|---|---|---|---|---|---|---|
Trade Size | MERV Filter Rating | 1 Micron | 3 Microns | Removes Particle Size Down To, microns | Material | Frame Material | Max. Temp., °F | Pkg. | |
Pkg. of 2 | |||||||||
20 × 24 | 9 | 35% | 75% | 3 | Polyethylene Plastic/Polypropylene Plastic Blend | Cardboard | 150° | 00000000 | 000000 |
Pkg. of 12 | |||||||||
20 × 24 | 9 | 35% | 75% | 3 | Polyethylene Plastic/Polypropylene Plastic Blend | Cardboard | 150° | 00000000 | 00000 |
Filter Efficiency @ | |||||||||
---|---|---|---|---|---|---|---|---|---|
Trade Size | MERV Filter Rating | 1 Micron | 3 Microns | Removes Particle Size Down To, microns | Material | Frame Material | Max. Temp., °F | Pkg. | |
Pkg. of 2 | |||||||||
20 × 24 | 9 | 35% | 75% | 3 | Polyethylene Plastic/Polypropylene Plastic Blend | Cardboard | 150° | 00000000 | 000000 |
Pkg. of 12 | |||||||||
20 × 24 | 9 | 35% | 75% | 3 | Polyethylene Plastic/Polypropylene Plastic Blend | Cardboard | 150° | 00000000 | 00000 |
Filter Efficiency @ | |||||||||
---|---|---|---|---|---|---|---|---|---|
Trade Size | MERV Filter Rating | 1 Micron | 3 Microns | Removes Particle Size Down To, microns | Material | Frame Material | Max. Temp., °F | Pkg. | |
Pkg. of 2 | |||||||||
20 × 24 | 9 | 35% | 75% | 3 | Polyethylene Plastic/Polypropylene Plastic Blend | Cardboard | 150° | 00000000 | 000000 |
Pkg. of 6 | |||||||||
20 × 24 | 9 | 35% | 75% | 3 | Polyethylene Plastic/Polypropylene Plastic Blend | Cardboard | 150° | 00000000 | 00000 |
Mildew-Resistant Pleated Panel Air Filters

A compound inhibits mildew and mold growth. All of these filters have pleats that create a large surface area for filtering without reducing airflow. They meet UL 900 flame retardance requirements. Actual size is up to 5/8” less than trade size.
For technical drawings and 3-D models, click on a part number.
Panel Air Filters

These filters are typically used as replacements in HVAC equipment.
All meet UL Classified flame retardance requirements. Actual size is up to 5/8” less than trade size.
Prefilters can be used as a standalone filter or a prefilter that guards your main filter. They’re an economical choice for protecting expensive filters that catch fine particles.
For technical drawings and 3-D models, click on a part number.
Heavy Duty Reusable Metal Panel Filters

With a frame made of a thick gauge metal, these filters are durable. They can be washed and reused. Also known as metal mesh filters.
All meet UL 900 flame retardance requirements. Actual size is up to 1/2" less than trade size.
Don’t see the size you need? Additional sizes are available.
For technical drawings and 3-D models, click on a part number.
Reusable Metal Panel Filters

Also known as metal mesh filters. These filters can be washed and reused.
These filters meet UL 900 flame retardance requirements. Actual size is up to 1/2" less than trade size.
For technical drawings and 3-D models, click on a part number.
Trade Size | Material | Frame Gauge | Max. Temperature, °F | Each | |
2" Thick | |||||
---|---|---|---|---|---|
20 × 24 | Aluminum | 24 | 240° | 0000000 | 000000 |
Reusable Electrostatic Panel Air Filters

An inherent electrostatic charge attracts dust and particles to these filters. They can be washed and reused.
These filters meet UL 900 flame retardance requirements. Actual size is up to 1/2" less than trade size.
For technical drawings and 3-D models, click on a part number.
Trade Size | MERV Filter Rating | Filter Efficiency @ 3 Microns | Removes Particle Size Down To, microns | Material | Frame Material | Max. Temperature, °F | Each | |
1" Thick | ||||||||
---|---|---|---|---|---|---|---|---|
20 × 24 | 6 | 35% | 3 | Polypropylene Plastic/Polyester Plastic Blend | Galvanized Steel | 180° | 0000000 | 000000 |
High-Efficiency Panel Air Filters

Rated MERV 11, these filters capture particles down to 1 micron. Use in data centers and other locations that require extra-clean air. These filters have pleats that create a large surface area for filtering without reducing airflow. The cardboard frame is treated to resist humidity, and the galvanized steel grill prevents sagging.
These filters meet UL 900 flame retardance requirements. Actual size is up to 5/8" less than trade size.
For technical drawings and 3-D models, click on a part number.
Filter Efficiency @ | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|
Trade Size | MERV Filter Rating | 0.3 Microns | 1 Micron | 3 Microns | Removes Particle Size Down To, microns | Material | Frame Material | Max. Temperature, °F | Pkg. | |
Pkg. of 2 | ||||||||||
20 × 24 | 11 | 20% | 65% | 85% | 1 | Polyethylene Plastic/Polypropylene Plastic Blend | Cardboard | 150° | 0000000 | 000000 |
Pkg. of 12 | ||||||||||
20 × 24 | 11 | 20% | 65% | 85% | 1 | Polyethylene Plastic/Polypropylene Plastic Blend | Cardboard | 150° | 000000 | 000000 |
Filter Efficiency @ | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|
Trade Size | MERV Filter Rating | 0.3 Microns | 1 Micron | 3 Microns | Removes Particle Size Down To, microns | Material | Frame Material | Max. Temp., °F | Pkg. | |
Pkg. of 2 | ||||||||||
20 × 24 | 11 | 20% | 65% | 85% | 1 | Polyethylene Plastic/Polypropylene Plastic Blend | Cardboard | 150° | 0000000 | 000000 |
Pkg. of 12 | ||||||||||
20 × 24 | 11 | 20% | 65% | 85% | 1 | Polyethylene Plastic/Polypropylene Plastic Blend | Cardboard | 150° | 0000000 | 000000 |
Filter Efficiency @ | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|
Trade Size | MERV Filter Rating | 0.3 Microns | 1 Micron | 3 Microns | Removes Particle Size Down To, microns | Material | Frame Material | Max. Temp., °F | Pkg. | |
Pkg. of 2 | ||||||||||
20 × 24 | 11 | 20% | 65% | 85% | 1 | Polyethylene Plastic/Polypropylene Plastic Blend | Cardboard | 150° | 0000000 | 000000 |
Pkg. of 6 | ||||||||||
20 × 24 | 11 | 20% | 65% | 85% | 1 | Polyethylene Plastic/Polypropylene Plastic Blend | Cardboard | 150° | 0000000 | 00000 |
Ultra-Efficiency Panel Air Filters

Rated MERV 13, these filters capture particles down to 0.3 microns. Use in data centers, hospitals, and other locations that require extra-clean air. These filters have pleats that create a large surface area for filtering without reducing airflow. The cardboard frame is treated to resist humidity, and the galvanized steel grill prevents sagging.
Filters meet UL 900 flame retardance requirements. Actual size is up to 5/8" less than trade size.
For technical drawings and 3-D models, click on a part number.
Filter Efficiency @ | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|
Trade Size | MERV Filter Rating | 0.3 Microns | 1 Micron | 3 Microns | Removes Particle Size Down To, microns | Material | Frame Material | Max. Temp., °F | Pkg. | |
Pkg. of 2 | ||||||||||
20 × 24 | 13 | 50% | 85% | 90% | 0.3 | Polyethylene Plastic/Polypropylene Plastic Blend | Cardboard | 150° | 00000000 | 000000 |
Pkg. of 12 | ||||||||||
20 × 24 | 13 | 50% | 85% | 90% | 0.3 | Polyethylene Plastic/Polypropylene Plastic Blend | Cardboard | 150° | 00000000 | 000000 |
Filter Efficiency @ | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|
Trade Size | MERV Filter Rating | 0.3 Microns | 1 Micron | 3 Microns | Removes Particle Size Down To, microns | Material | Frame Material | Max. Temp., °F | Pkg. | |
Pkg. of 2 | ||||||||||
20 × 24 | 13 | 50% | 85% | 90% | 0.3 | Polyethylene Plastic/Polypropylene Plastic Blend | Cardboard | 150° | 00000000 | 000000 |
Pkg. of 12 | ||||||||||
20 × 24 | 13 | 50% | 85% | 90% | 0.3 | Polyethylene Plastic/Polypropylene Plastic Blend | Cardboard | 150° | 00000000 | 000000 |
Filter Efficiency @ | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|
Trade Size | MERV Filter Rating | 0.3 Microns | 1 Micron | 3 Microns | Removes Particle Size Down To, microns | Material | Frame Material | Max. Temp., °F | Pkg. | |
Pkg. of 2 | ||||||||||
20 × 24 | 13 | 50% | 85% | 90% | 0.3 | Polyethylene Plastic/Polypropylene Plastic Blend | Cardboard | 150° | 00000000 | 000000 |
Pkg. of 6 | ||||||||||
20 × 24 | 13 | 50% | 85% | 90% | 0.3 | Polyethylene Plastic/Polypropylene Plastic Blend | Cardboard | 150° | 00000000 | 000000 |
Strong-Odor-Removal Panel Air Filters

Eliminate heavy odors with these filters that have 30 times the odor removing ability of standard odor-removal air filters. The cardboard frame is treated to resist humidity, and the galvanized steel grill prevents sagging.
These filters meet UL 900 flame retardance requirements. Actual size is up to 5/8" less than trade size.
For technical drawings and 3-D models, click on a part number.
Trade Size | MERV Filter Rating | Filter Efficiency @ 3 Microns | Removes Particle Size Down To, microns | Carbon Concentration, g/sq. ft. | Material | Frame Material | Max. Temperature, °F | Each | |
2" Thick | |||||||||
---|---|---|---|---|---|---|---|---|---|
20 × 24 | 7 | 50% | 3 | 300 | Carbon-Coated Polyester Plastic | Cardboard | 120° | 0000000 | 000000 |
Frames for Panel Air Filters
Hold panel filters in place. The frames can be welded together to hold multiple filters. The trade size is the actual size of the frame.
Add clips to attach frames to 1" or 4" filters.
For technical drawings and 3-D models, click on a part number.
Ultra-Efficiency Box Air Filters

These MERV 14 air filters capture particles down to 0.3 microns. They have a rigid frame that withstands fluctuations in airflow, such as those created by variable air volume systems.
Filters meet UL 900 flame retardance requirements. Actual size is up to 5/8" less than trade size.
For technical drawings and 3-D models, click on a part number.
Filter Efficiency @ | |||||||||
---|---|---|---|---|---|---|---|---|---|
Trade Size | MERV Filter Rating | 0.3 Microns | 1 Micron | 3 Microns | Removes Particle Size Down To, microns | Frame Material | Max. Temperature, °F | Each | |
6" Thick | |||||||||
Galvanized Fiberglass | |||||||||
20 × 24 | 14 | 75% | 90% | 95% | 0.3 | Galvanized Steel | 180° | 0000000 | 0000000 |
12" Thick | |||||||||
Galvanized Fiberglass | |||||||||
20 × 24 | 14 | 75% | 90% | 95% | 0.3 | Galvanized Steel | 180° | 0000000 | 000000 |
Aluminized Fiberglass | |||||||||
20 × 24 | 14 | 75% | 90% | 95% | 0.3 | Aluminized Steel | 900° | 0000000 | 000000 |
Long-Life Ultra-Efficiency Box Air Filters


Multiple panels maximize filtering surface area for long service life. These MERV 14 air filters capture particles down to 0.3 microns. They have a rigid frame that withstands fluctuations in airflow, such as those created by variable air volume systems.
Actual size is up to 5/8" less than trade size.
Eight-panel filters have more surface area than four-panel filters for an even longer service life.
For technical drawings and 3-D models, click on a part number.
High-Efficiency Box Air Filters

Rated MERV 11, these air filters capture particles down to 1 micron. They have a rigid frame that withstands fluctuations in airflow, such as those created by variable air volume systems.
Filters meet UL 900 flame retardance requirements. Actual size is up to 5/8" less than trade size.
For technical drawings and 3-D models, click on a part number.
Filter Efficiency @ | |||||||||
---|---|---|---|---|---|---|---|---|---|
Trade Size | MERV Filter Rating | 0.3 Microns | 1 Micron | 3 Microns | Removes Particle Size Down To, microns | Frame Material | Max. Temperature, °F | Each | |
6" Thick | |||||||||
Galvanized Fiberglass | |||||||||
20 × 24 | 11 | 20% | 65% | 85% | 1 | Galvanized Steel | 180° | 0000000 | 0000000 |
12" Thick | |||||||||
Galvanized Fiberglass | |||||||||
20 × 24 | 11 | 20% | 65% | 85% | 1 | Galvanized Steel | 180° | 0000000 | 000000 |
Aluminized Fiberglass | |||||||||
20 × 24 | 11 | 20% | 65% | 85% | 1 | Aluminized Steel | 900° | 0000000 | 000000 |
Bag Air Filters

The deep pockets on these filters maximize filtering surface area with minimal airflow resistance. Actual size is 5/8” less than trade size.
Filter Efficiency @ | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|
Trade Size | Dp. | 0.3 Microns | 1 Micron | 3 Microns | Removes Particle Size Down To, microns | Material | Frame Material | Max. Temperature, °F | Each | |
MERV 10 | ||||||||||
20 × 24 | 15" | __ | 50% | 80% | 1 | Polypropylene Plastic | Galvanized Steel | 175° | 000000000 | 000000 |
20 × 24 | 22" | __ | 50% | 80% | 1 | Polypropylene Plastic | Galvanized Steel | 175° | 00000000 | 00000 |
20 × 24 | 30" | __ | 50% | 80% | 1 | Polypropylene Plastic | Galvanized Steel | 175° | 000000000 | 00000 |
MERV 12 | ||||||||||
20 × 24 | 15" | 35% | 80% | 90% | 1 | Polypropylene Plastic | Galvanized Steel | 175° | 000000000 | 00000 |
20 × 24 | 22" | 35% | 80% | 90% | 1 | Polypropylene Plastic | Galvanized Steel | 175° | 00000000 | 00000 |
20 × 24 | 30" | 35% | 80% | 90% | 1 | Polypropylene Plastic | Galvanized Steel | 175° | 000000000 | 00000 |
MERV 14 | ||||||||||
20 × 24 | 15" | 75% | 90% | 95% | 0.3 | Polypropylene Plastic | Galvanized Steel | 175° | 000000000 | 00000 |
20 × 24 | 22" | 75% | 90% | 95% | 0.3 | Polypropylene Plastic | Galvanized Steel | 175° | 000000000 | 00000 |
MERV 15 | ||||||||||
20 × 24 | 15" | 85% | 90% | 95% | 0.3 | Polypropylene Plastic | Galvanized Steel | 175° | 000000000 | 00000 |
20 × 24 | 22" | 85% | 90% | 95% | 0.3 | Polypropylene Plastic | Galvanized Steel | 175° | 00000000 | 00000 |
20 × 24 | 30" | 85% | 90% | 95% | 0.3 | Polypropylene Plastic | Galvanized Steel | 175° | 000000000 | 00000 |