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.

1" Thick

		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

2" Thick

		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

4" Thick

		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. These filters have pleats that create a large surface area for filtering without reducing airflow, and they have a tacky surface to retain particles.

They meet UL 900 flame retardance requirements. Actual size is up to 5/8” less than trade size.

2" Thick

Pkg. of 2
Trade Size	MERV Filter Rating	Filter Efficiency @ 3 Microns	Removes Particle Size Down To, microns	Material	Frame Material	Max. Temperature, °F		Pkg.
20 × 24	7	50%	3	Polyester Plastic	Cardboard	200°	00000000	000000
Pkg. of 12
20 × 24	7	50%	3	Polyester Plastic	Cardboard	200°	0000000	000000

Prefilter Panel Air Filters

These filters are an economical choice for protecting more expensive filters that catch finer particles. They are typically used as replacement prefilters in HVAC equipment.

They 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.

1" Thick
Trade Size	Material	Frame Material	Max. Temperature, °F	Pkg. Qty.		Pkg.
20 × 24	Fiberglass	Cardboard	180°	12	00000000	000000
2" Thick
20 × 24	Fiberglass	Cardboard	180°	12	0000000	00000

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.

1" Thick
Trade Size	MERV Filter Rating	Removes Particle Size Down To, microns	Material	Frame Gauge	Max. Temperature, °F		Each
20 × 24	4	10	Aluminum	18	240°	0000000	000000
2" Thick
20 × 24	4	10	Aluminum	18	240°	0000000	00000

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.

2" Thick
Trade Size	Material	Frame Gauge	Max. Temperature, °F		Each
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.

1" Thick
Trade Size	MERV Filter Rating	Filter Efficiency @ 3 Microns	Removes Particle Size Down To, microns	Material	Frame Material	Max. Temperature, °F		Each
20 × 24	6	35%	3	Polypropylene Plastic/Polyester Plastic Blend	Galvanized Steel	180°	0000000	000000

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.

1" Thick

		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

2" Thick

		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

4" Thick

		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

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.

1" Thick

		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	00000

2" Thick

		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	00000

4" Thick

		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

Long-Life Ultra-Efficiency Panel Air Filters

Combine long life with the ability to capture particles down to 0.3 microns with these MERV 13 filters. The tightly pleated construction creates a large surface area for long service life. Use in data centers, hospitals, and other locations that require extra-clean air. The plastic frame is moisture resistant.

These filters meet UL 900 flame retardance requirements. Actual size is up to 5/8" less than trade size.

		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		Each
2" Thick
20 × 24	13	50%	85%	90%	0.3	Synthetic Fiber	Plastic	150°	0000000	0000000

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.

Frames

Frame

Replacement Retaining Clip

Frames								Replacement Retaining Clips
Trade Size	For Filter Thick.	Frame Material	Frame Gauge	Mounting Hardware Included	Includes		Each	Pkg. Qty.		Pkg.
20 × 24	2"	Galvanized Steel	16	Yes	Retaining Clips, Sealing Gasket	00000000	000000	2	00000000	00000

Optional Clips

Optional Clip

For Filter Thickness	Material	Pkg. Qty.		Pkg.
1"	Galvanized Steel	2	00000000	00000
4"	Galvanized Steel	2	00000000	0000

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.

2" Thick
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
20 × 24	7	50%	3	300	Carbon-Coated Polyester Plastic	Cardboard	120°	0000000	000000

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.

		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

Four Panels

Eight Panels

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.

		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		Each
4 Panels
12" Thick
20 × 24	14	75%	90%	95%	0.3	Fiberglass	Plastic	180°	0000000	0000000
8 Panels
12" Thick
20 × 24	14	75%	90%	95%	0.3	Fiberglass	Plastic	180°	0000000	000000

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.

		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	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	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
20 × 24	30"	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	30"	85%	90%	95%	0.3	Polypropylene Plastic	Galvanized Steel	175°	000000000	00000
MERV 16
20 × 24	15"	95%	95%	95%	0.3	Fiberglass	Galvanized Steel	175°	000000000	00000
20 × 24	22"	95%	95%	95%	0.3	Fiberglass	Galvanized Steel	175°	000000000	00000
20 × 24	26"	95%	95%	95%	0.3	Fiberglass	Galvanized Steel	175°	000000000	00000
20 × 24	30"	95%	95%	95%	0.3	Fiberglass	Galvanized Steel	175°	000000000	00000