Air Filter Pads | McMaster-Carr

Filter by

Filter Type

Pad

Roll

Form

Pad

System of Measurement

Thickness

HVAC Filter Trade Size

For Removing

Color

Pores per Inch

Construction

Reusable

For Use With

Width

Material

MERV Filter Rating

Length

Filtering Method

Maximum Temperature

Air Filter Performance

Low Efficiency

Medium Efficiency

Export Control Classification Number (ECCN)

Application

DFARS Specialty Metals

REACH

Surface Treatment

RoHS

Removes Particle Size Down To

Less than 25 μm

Filter Efficiency @ 3 Microns

190 Products

About Air Filter Efficiency Ratings

Compare MERV rating, efficiency, and particle size to find the right filter for your location—from warehouses and offices to hospitals and labs.

Low-Efficiency Reusable Air Filter Media

Wash and reuse this media to extend the life of expensive filters that catch fine particles. Installed upstream, this affordable media traps debris that can damage or clog your final filter. Cut it to the size you need and attach it to a frame.

Polyurethane Foam Pads

Image of Product. Front orientation. Air Filter Media. Low-Efficiency Reusable Air Filter Media, Pads.

Pores per Inch—Media containing more pores per inch catch smaller particles than media with fewer pores per inch.

	MERV Filter Rating	Max. Temp., ° F	Specs. Met	Choose a Number of Pores per Inch		Each
1/8" Thick



	12 × 12	Not Rated	250	UL 900	30 , 60	00000000	00000


	12 × 24	Not Rated	250	UL 900	30 , 60	00000000	0000
	16 × 20	Not Rated	250	UL 900	30 , 60	00000000	0000
	16 × 25	Not Rated	250	UL 900	30 , 60	00000000	0000
	20 × 20	Not Rated	250	UL 900	30 , 60	00000000	0000
	20 × 25	Not Rated	250	UL 900	30 , 60	00000000	00000
	24 × 24	Not Rated	250	UL 900	30 , 60	00000000	00000
	48 × 72	Not Rated	250	UL 900	20 , 45 , 65 , 80 , 100	000000	00000


	1/4" Thick



			12 × 12	Not Rated	250	UL 900	30 , 60	00000000	0000


			12 × 24	Not Rated	250	UL 900	30 , 60	00000000	0000
			16 × 20	Not Rated	250	UL 900	30 , 60	00000000	0000
			16 × 25	Not Rated	250	UL 900	30 , 60	00000000	00000
			20 × 20	Not Rated	250	UL 900	30 , 60	00000000	00000
			20 × 25	Not Rated	250	UL 900	30 , 60	00000000	00000
			24 × 24	Not Rated	250	UL 900	30 , 60	00000000	00000
			48 × 72	Not Rated	250	UL 900	20 , 45 , 65 , 80 , 100	000000	00000


			1/2" Thick



					12 × 12	Not Rated	250	UL 900	30 , 60	00000000	0000


					12 × 24	Not Rated	250	UL 900	30 , 60	00000000	00000
					16 × 20	Not Rated	250	UL 900	30 , 60	00000000	00000
					16 × 25	Not Rated	250	UL 900	30 , 60	00000000	00000
					20 × 20	Not Rated	250	UL 900	30 , 60	00000000	00000
					20 × 25	Not Rated	250	UL 900	30 , 60	00000000	00000
					24 × 24	Not Rated	250	UL 900	30 , 60	00000000	00000
					48 × 72	Not Rated	250	UL 900	20 , 45 , 65 , 80 , 100	000000	000000


					1" Thick



							12 × 12	Not Rated	250	UL 900	30 , 60	00000000	00000


							12 × 24	Not Rated	250	UL 900	30 , 60	00000000	00000
							16 × 20	Not Rated	250	UL 900	30 , 60	00000000	00000
							16 × 25	Not Rated	250	UL 900	30 , 60	00000000	00000
							20 × 20	Not Rated	250	UL 900	30 , 60	00000000	00000
							20 × 25	Not Rated	250	UL 900	30 , 60	00000000	00000
							24 × 24	Not Rated	250	UL 900	30 , 60	00000000	00000
							48 × 72	Not Rated	250	UL 900	20 , 45 , 65 , 80 , 100	000000	000000


							2" Thick



							12 × 12	Not Rated	250	UL 900	30 , 60	00000000	00000


							12 × 24	Not Rated	250	UL 900	30 , 60	00000000	00000
							16 × 20	Not Rated	250	UL 900	30 , 60	00000000	00000
							16 × 25	Not Rated	250	UL 900	30 , 60	00000000	00000
							20 × 20	Not Rated	250	UL 900	30 , 60	00000000	00000
							20 × 25	Not Rated	250	UL 900	30 , 60	00000000	00000
							24 × 24	Not Rated	250	UL 900	30 , 60	00000000	00000
							48 × 72	Not Rated	250	UL 900	20 , 45 , 65 , 80 , 100	000000	000000

Plastic Fiber Pads

Collect high volumes of dust, even in poor weather, such as rain, snow, and wind. This material is also known as hog hair.

	MERV Filter Rating	Max. Temp., ° F	Certification	Pkg. Qty.		Pkg.
1" Thick



	12 × 24	3	180	UL Classified	25	00000000	0000000


	16 × 20	3	180	UL Classified	25	00000000	000000
	20 × 20	3	180	UL Classified	25	00000000	000000
	20 × 25	3	180	UL Classified	25	00000000	000000
	20 × 30	3	180	UL Classified	25	00000000	000000
	24 × 24	3	180	UL Classified	25	00000000	000000

Low-Efficiency Air Filter Media

Extend the life of expensive filters that catch fine particles. Installed upstream, this affordable media traps debris that can damage or clog your final filter. Cut this media to the size you need and attach it to a frame.

Pads

	MERV Filter Rating	Max. Temp., ° F	Certification	Pkg. Qty.		Pkg.
1/4" Thick



	12 × 12	Not Rated	220	UL Classified	10	0000000	000000


	12 × 24	Not Rated	220	UL Classified	10	0000000	00000
	16 × 20	Not Rated	220	UL Classified	10	0000000	00000
	16 × 25	Not Rated	220	UL Classified	10	0000000	00000
	20 × 20	Not Rated	220	UL Classified	10	0000000	00000
	20 × 25	Not Rated	220	UL Classified	10	0000000	00000
	24 × 24	Not Rated	220	UL Classified	10	0000000	00000


	1/2" Thick



			12 × 12	Not Rated	220	UL Classified	10	0000000	00000


			12 × 24	Not Rated	220	UL Classified	10	0000000	00000
			16 × 20	Not Rated	220	UL Classified	10	0000000	00000
			16 × 25	Not Rated	220	UL Classified	10	0000000	00000
			20 × 20	Not Rated	220	UL Classified	10	0000000	00000
			20 × 25	Not Rated	220	UL Classified	10	0000000	00000
			24 × 24	Not Rated	220	UL Classified	10	0000000	00000
			25 × 48	Not Rated	220	UL Classified	1	0000000	00000


			1" Thick



					12 × 12	Not Rated	220	UL Classified	10	0000000	00000


					12 × 24	Not Rated	220	UL Classified	10	0000000	00000
					16 × 20	Not Rated	220	UL Classified	10	0000000	00000
					16 × 25	Not Rated	220	UL Classified	10	0000000	00000
					20 × 20	Not Rated	220	UL Classified	10	0000000	00000
					20 × 25	Not Rated	220	UL Classified	10	0000000	00000
					24 × 24	Not Rated	220	UL Classified	10	0000000	00000
					25 × 48	Not Rated	220	UL Classified	1	0000000	00000
					30 × 48	Not Rated	220	UL Classified	1	0000000	00000


					2" Thick



							12 × 12	Not Rated	220	UL Classified	10	0000000	00000


							12 × 24	Not Rated	220	UL Classified	10	0000000	00000
							16 × 20	Not Rated	220	UL Classified	10	0000000	00000
							16 × 25	Not Rated	220	UL Classified	10	0000000	00000
							20 × 20	Not Rated	220	UL Classified	10	0000000	00000
							20 × 25	Not Rated	220	UL Classified	10	0000000	00000
							24 × 24	Not Rated	220	UL Classified	10	0000000	00000

Reusable Air Filter Media for Electronics

Wash and reuse this media to keep the air in your electronics clean. It won't break down when exposed to prolonged heat and humidity. Cut it to the size you need.

HVAC Filter Trade Size	MERV Filter Rating	Specs. Met	1/4" Thick	1" Thick
8 × 8	Not Rated	UL 900	00000	00000
10 × 10	Not Rated	UL 900	0000	00000
10 × 20	Not Rated	UL 900	00000	00000
14 × 14	Not Rated	UL 900	00000	00000
16 × 20	Not Rated	UL 900	00000	00000
16 × 25	Not Rated	UL 900	00000	00000
20 × 20	Not Rated	UL 900	00000	00000
20 × 25	Not Rated	UL 900	00000	000000
20 × 30	Not Rated	UL 900	00000	000000
24 × 24	Not Rated	UL 900	00000	00000

Air Filter Media for Electronics

Protect your electronics with this media that stands up to prolonged exposure to heat and humidity. Cut it to the size you need.

HVAC Filter Trade Size	MERV Filter Rating	Specs. Met	1/2" Thick	1" Thick
8 × 8	6	UL 900	00000	00000
10 × 10	6	UL 900	0000	0000
10 × 20	6	UL 900	0000	0000
14 × 14	6	UL 900	0000	0000
16 × 20	6	UL 900	0000	0000
16 × 25	6	UL 900	0000	0000
20 × 20	6	UL 900	0000	0000
20 × 25	6	UL 900	0000	0000
20 × 30	6	UL 900	0000	0000
24 × 24	6	UL 900	0000	0000

Low-Efficiency Reusable Air Filter Media Selector Packs

Determine the right pores per inch for your air filtering application. Each sample piece has a different pore size.

Pores per Inch—Media containing more pores per inch catch smaller particles than media with fewer pores per inch.

Pores per In.	Wd.	Lg.	Thk.	MERV Filter Rating	Specs. Met	No. of Pieces		Each
20, 45, 65, 80, 100	6"	6"	1/8"	Not Rated	UL 900	5	0000000	000000
30, 60	3"	3"	1/4"	Not Rated	UL 900	2	0000000	0000

Reusable Air Filter Media

Wash and reuse this media, which collects large dust and debris in your HVAC system. This filter media is rigid enough to be used without a frame. Just cut it to the size you need.

Pads

	MERV Filter Rating	Max. Temp., ° F	Specs. Met	Pkg. Qty.		Pkg.
1/2" Thick



	12 × 12	5	225	UL 900	5	00000000	000000


	12 × 24	5	225	UL 900	5	00000000	00000
	14 × 25	5	225	UL 900	5	00000000	00000
	15 × 24	5	225	UL 900	5	00000000	00000
	16 × 20	5	225	UL 900	5	00000000	00000
	16 × 25	5	225	UL 900	5	00000000	00000
	20 × 20	5	225	UL 900	5	00000000	00000
	20 × 25	5	225	UL 900	5	00000000	00000
	20 × 30	5	225	UL 900	5	00000000	00000
	24 × 24	5	225	UL 900	5	00000000	00000
	25 × 48	5	225	UL 900	1	00000000	00000


	25 × 48	5	225	UL 900	5	00000000	00000


	1" Thick



			12 × 12	6	225	UL 900	5	00000000	00000


			12 × 24	6	225	UL 900	5	00000000	00000
			14 × 25	6	225	UL 900	5	00000000	00000
			15 × 24	6	225	UL 900	5	00000000	00000
			16 × 20	6	225	UL 900	5	00000000	00000
			16 × 25	6	225	UL 900	5	00000000	00000
			20 × 20	6	225	UL 900	5	00000000	00000
			20 × 25	6	225	UL 900	5	00000000	00000
			20 × 30	6	225	UL 900	5	00000000	00000
			24 × 24	6	225	UL 900	5	00000000	00000
			25 × 48	6	225	UL 900	1	00000000	00000


			25 × 48	6	225	UL 900	5	00000000	000000
			30 × 48	6	225	UL 900	1	00000000	00000


			2" Thick



					12 × 12	6	200	UL 900	5	00000000	00000


					12 × 24	6	200	UL 900	5	00000000	00000

Dust Collector Filters for Abrasive Blasting Cabinets

	For Mfr. Model No.	Material	Reusable		Each
Filter Pads



	Econoline	201668GY-C10, 201768GY-C5	Foam	No	0000000	000000

Pad and Roll Air Filter Frames

Add support to filter rolls and pads that have been cut to size. Actual size is _1/2" less than trade size.

	Frame Material	Frame Ga.	Support Grill Ga.	Includes		Each
For 1/2" Thick Filters



	12 × 24	Galvanized Steel	24	16	Retaining Wires	0000000	000000


	16 × 20	Galvanized Steel	24	16	Retaining Wires	0000000	00000
	16 × 25	Galvanized Steel	24	16	Retaining Wires	0000000	00000
	20 × 20	Galvanized Steel	24	16	Retaining Wires	0000000	00000
	20 × 25	Galvanized Steel	24	16	Retaining Wires	0000000	00000
	24 × 24	Galvanized Steel	24	16	Retaining Wires	0000000	00000


	For 1" Thick Filters



			12 × 24	Galvanized Steel	24	16	Retaining Wires	0000000	00000


			16 × 20	Galvanized Steel	24	16	Retaining Wires	0000000	00000
			16 × 25	Galvanized Steel	24	16	Retaining Wires	0000000	00000
			20 × 20	Galvanized Steel	24	16	Retaining Wires	0000000	00000
			20 × 25	Galvanized Steel	24	16	Retaining Wires	0000000	00000
			24 × 24	Galvanized Steel	24	16	Retaining Wires	0000000	00000


			For 2" Thick Filters



					12 × 24	Galvanized Steel	24	16	Retaining Wires	0000000	00000


					16 × 20	Galvanized Steel	24	16	Retaining Wires	0000000	00000
					16 × 25	Galvanized Steel	24	16	Retaining Wires	0000000	00000
					20 × 20	Galvanized Steel	24	16	Retaining Wires	0000000	00000
					20 × 25	Galvanized Steel	24	16	Retaining Wires	0000000	00000
					24 × 24	Galvanized Steel	24	16	Retaining Wires	0000000	00000

Air Filter Media

Replace dirty HVAC filters with this media to collect large dust and debris. Cut this media to the size you need and attach it to a frame.

Pads

					Small Pack			Large Pack
	HVAC Filter Trade Size	MERV Filter Rating	Max. Temp., ° F	Certification	Pkg. Qty.		Pkg.	Pkg. Qty.		Pkg.
1" Thick



		12 × 12	6	250	UL Classified	6	00000000	000000	50	00000000	0000000


		12 × 24	6	250	UL Classified	6	00000000	00000	50	00000000	000000
		16 × 20	6	250	UL Classified	6	00000000	00000	50	00000000	000000
		16 × 25	6	250	UL Classified	6	00000000	00000	50	00000000	000000
		20 × 20	6	250	UL Classified	6	00000000	00000	50	00000000	000000
		20 × 25	6	250	UL Classified	6	00000000	00000	50	0000000	000000
		24 × 24	6	250	UL Classified	3	00000000	00000	50	00000000	000000


		2" Thick



				12 × 12	6	250	UL Classified	6	00000000	00000	50	00000000	000000


				12 × 24	6	250	UL Classified	6	00000000	00000	50	0000000	000000
				16 × 20	6	250	UL Classified	6	00000000	00000	50	00000000	000000
				16 × 25	6	250	UL Classified	6	00000000	00000	50	00000000	000000
				20 × 20	6	250	UL Classified	6	00000000	00000	50	00000000	000000
				20 × 25	6	250	UL Classified	3	00000000	00000	50	00000000	000000
				24 × 24	6	250	UL Classified	3	00000000	00000	50	00000000	000000

Odor-Removing Air Filter Media

Carbon granules inside this media absorb odors from the air. Choose media with a high carbon concentration to tackle strong odors. Cut it to the size you need and attach it to a frame.

Strong-Odor-Removing Pads

					300 g/ft² Carbon Concentration		375 g/ft² Carbon Concentration
	HVAC Filter Trade Size	MERV Filter Rating	Max. Temp., ° F	Specs. Met		Each		Each
1" Thick



		12 × 12	7	120	UL 900	0000000	000000	0000000	000000


		12 × 24	7	120	UL 900	0000000	00000	00000000	00000
		14 × 25	7	120	UL 900	0000000	00000	———	0
		15 × 24	7	120	UL 900	0000000	00000	———	0
		16 × 20	7	120	UL 900	0000000	00000	00000000	00000
		16 × 25	7	120	UL 900	0000000	00000	00000000	00000
		20 × 20	7	120	UL 900	0000000	00000	00000000	00000
		20 × 25	7	120	UL 900	0000000	00000	00000000	00000
		20 × 30	7	120	UL 900	0000000	00000	———	0
		24 × 24	7	120	UL 900	0000000	00000	00000000	00000