Reticulated Foam | McMaster-Carr

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DFARS Specialty Metals

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U.S.–Mexico–Canada Agreement (USMCA) Qualifying

Yes

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EAR99

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90 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.

Form

Roll

Cut multiple filters from a single roll

38 products

Pad

Cut pads to the size you need

52 products

Air Filter Performance

Low Efficiency

Extend the life of expensive filters that catch fine particles

80 products

For Use With

Electronics

Stand up to prolonged exposure to heat and humidity

10 products

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 Rolls

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

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		5 ft. Long	10 ft. Long	25 ft. Long
1/8" Thick



	8"	Not Rated	200	UL 900	30 , 60	2195K301	00000	00000	000000


	12"	Not Rated	200	UL 900	30 , 60	2195K305	0000	00000	00000
	24"	Not Rated	200	UL 900	30 , 60	2195K309	00000	00000	00000
	36"	Not Rated	200	UL 900	30 , 60	2195K314	00000	00000	00000
	48"	Not Rated	200	UL 900	30 , 60	2195K318	00000	00000	00000


	1/4" Thick



			8"	Not Rated	200	UL 900	30 , 60	2195K302	00000	00000	00000


			12"	Not Rated	200	UL 900	30 , 60	2195K306	00000	00000	00000
			24"	Not Rated	200	UL 900	30 , 60	2195K311	00000	00000	00000
			36"	Not Rated	200	UL 900	30 , 60	2195K315	00000	00000	000000
			48"	Not Rated	200	UL 900	30 , 60	2195K319	00000	00000	000000


			1/2" Thick



					8"	Not Rated	200	UL 900	30 , 60	2195K303	00000	00000	00000


					12"	Not Rated	200	UL 900	30 , 60	2195K307	00000	00000	00000
					24"	Not Rated	200	UL 900	30 , 60	2195K312	00000	00000	000000
					36"	Not Rated	200	UL 900	30 , 60	2195K316	00000	000000	000000
					48"	Not Rated	200	UL 900	30 , 60	2195K321	00000	000000	000000


					1" Thick



							8"	Not Rated	200	UL 900	30 , 60	2195K304	00000	00000	000000


							12"	Not Rated	200	UL 900	30 , 60	2195K308	00000	00000	000000
							24"	Not Rated	200	UL 900	30 , 60	2195K313	00000	000000	000000
							36"	Not Rated	200	UL 900	30 , 60	2195K317	000000	000000	000000
							48"	Not Rated	200	UL 900	30 , 60	2195K322	000000	000000	000000

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	9803K301	00000


	12 × 24	Not Rated	250	UL 900	30 , 60	9803K306	0000
	16 × 20	Not Rated	250	UL 900	30 , 60	9803K312	0000
	16 × 25	Not Rated	250	UL 900	30 , 60	9803K317	0000
	20 × 20	Not Rated	250	UL 900	30 , 60	9803K323	0000
	20 × 25	Not Rated	250	UL 900	30 , 60	9803K328	00000
	24 × 24	Not Rated	250	UL 900	30 , 60	9803K334	00000
	48 × 72	Not Rated	250	UL 900	20 , 45 , 65 , 80 , 100	9803K2	00000


	1/4" Thick



			12 × 12	Not Rated	250	UL 900	30 , 60	9803K302	0000


			12 × 24	Not Rated	250	UL 900	30 , 60	9803K307	0000
			16 × 20	Not Rated	250	UL 900	30 , 60	9803K313	0000
			16 × 25	Not Rated	250	UL 900	30 , 60	9803K318	00000
			20 × 20	Not Rated	250	UL 900	30 , 60	9803K324	00000
			20 × 25	Not Rated	250	UL 900	30 , 60	9803K329	00000
			24 × 24	Not Rated	250	UL 900	30 , 60	9803K335	00000
			48 × 72	Not Rated	250	UL 900	20 , 45 , 65 , 80 , 100	9803K3	00000


			1/2" Thick



					12 × 12	Not Rated	250	UL 900	30 , 60	9803K303	0000


					12 × 24	Not Rated	250	UL 900	30 , 60	9803K308	00000
					16 × 20	Not Rated	250	UL 900	30 , 60	9803K314	00000
					16 × 25	Not Rated	250	UL 900	30 , 60	9803K319	00000
					20 × 20	Not Rated	250	UL 900	30 , 60	9803K325	00000
					20 × 25	Not Rated	250	UL 900	30 , 60	9803K331	00000
					24 × 24	Not Rated	250	UL 900	30 , 60	9803K336	00000
					48 × 72	Not Rated	250	UL 900	20 , 45 , 65 , 80 , 100	9803K4	000000


					1" Thick



							12 × 12	Not Rated	250	UL 900	30 , 60	9803K304	00000


							12 × 24	Not Rated	250	UL 900	30 , 60	9803K309	00000
							16 × 20	Not Rated	250	UL 900	30 , 60	9803K315	00000
							16 × 25	Not Rated	250	UL 900	30 , 60	9803K321	00000
							20 × 20	Not Rated	250	UL 900	30 , 60	9803K326	00000
							20 × 25	Not Rated	250	UL 900	30 , 60	9803K332	00000
							24 × 24	Not Rated	250	UL 900	30 , 60	9803K337	00000
							48 × 72	Not Rated	250	UL 900	20 , 45 , 65 , 80 , 100	9803K6	000000


							2" Thick



							12 × 12	Not Rated	250	UL 900	30 , 60	9803K305	00000


							12 × 24	Not Rated	250	UL 900	30 , 60	9803K311	00000
							16 × 20	Not Rated	250	UL 900	30 , 60	9803K316	00000
							16 × 25	Not Rated	250	UL 900	30 , 60	9803K322	00000
							20 × 20	Not Rated	250	UL 900	30 , 60	9803K327	00000
							20 × 25	Not Rated	250	UL 900	30 , 60	9803K333	00000
							24 × 24	Not Rated	250	UL 900	30 , 60	9803K338	00000
							48 × 72	Not Rated	250	UL 900	20 , 45 , 65 , 80 , 100	9803K7	000000

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	9803K99	000000
30, 60	3"	3"	1/4"	Not Rated	UL 900	2	2195K99	0000

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	5307T212	00000	00000
10 × 10	Not Rated	UL 900	5307T213	0000	00000
10 × 20	Not Rated	UL 900	5307T214	00000	00000
14 × 14	Not Rated	UL 900	5307T215	00000	00000
16 × 20	Not Rated	UL 900	5307T216	00000	00000
16 × 25	Not Rated	UL 900	5307T217	00000	00000
20 × 20	Not Rated	UL 900	5307T218	00000	00000
20 × 25	Not Rated	UL 900	5307T219	00000	000000
20 × 30	Not Rated	UL 900	5307T222	00000	000000
24 × 24	Not Rated	UL 900	5307T221	00000	00000

Reinforced Reusable Air Filter Media

Wrapped in aluminum mesh for added support, this filter media can be used without a frame. Just cut it to the size you need. When it gets dirty, wash and reuse it.

					5 ft. Long		10 ft. Long		25 ft. Long
	Wd.	MERV Filter Rating	Max. Temp., ° F	Specs. Met		Each		Each		Each
1/2" Thick



		15 1/8"	4	250	UL 900	2072K21	000000	2072K11	000000	2072K3	0000000


		19 1/8"	4	250	UL 900	2072K23	00000	2072K12	00000	2072K4	000000
		24 1/8"	4	250	UL 900	2072K25	00000	2072K13	000000	2072K5	000000


		1" Thick



				15 1/8"	4	250	UL 900	2072K22	00000	2072K14	00000	2072K6	000000


				19 1/8"	4	250	UL 900	2072K24	00000	2072K15	000000	2072K7	000000
				24 1/8"	4	250	UL 900	2072K26	00000	2072K16	000000	2072K8	000000