McMaster-Carr

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	Thickness Thickness

1/8"

1/4"

1/2"

	Filter Style Filter Style


Pad	Roll

	For Removing For Removing

Dust and Particles

Oils and Coolants

	Pores Per Inch Pores Per Inch

100

	Roll/Pad Width Roll/Pad Width

	Color Color

	Gray
	Green

	Trade Size Trade Size

	Roll/Pad Length Roll/Pad Length

	Construction Construction

Fibrous

Foam

	MERV Filter Rating MERV Filter Rating

Not Rated

	Filter Efficiency Rating Filter Efficiency Rating

Low Efficiency/Prefilter

Not Rated

	Maximum Temperature Maximum Temperature

200° F

250° F

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110 Products

About Air Filter Efficiency Ratings

Wash and reuse these lightweight filter pads that resist mildew growth. Cut to the size you need; frames are sold separately.

Pads with more pores per inch catch smaller particles than pads with fewer pores per inch.

These pads meet UL 900 flame retardance requirements.

1/8" Thick
Trade Size	MERV Filter Rating	Material	Color	Max. Temperature, °F	Pores Per Inch		Each
12 × 12	Not Rated	Polyurethane Foam	Gray	250°	30, 60	00000000	00000
12 × 24	Not Rated	Polyurethane Foam	Gray	250°	30, 60	00000000	0000
16 × 20	Not Rated	Polyurethane Foam	Gray	250°	30, 60	00000000	0000
16 × 25	Not Rated	Polyurethane Foam	Gray	250°	30, 60	00000000	0000
20 × 20	Not Rated	Polyurethane Foam	Gray	250°	30, 60	00000000	0000
20 × 25	Not Rated	Polyurethane Foam	Gray	250°	30, 60	00000000	00000
24 × 24	Not Rated	Polyurethane Foam	Gray	250°	30, 60	00000000	00000
48 × 72	Not Rated	Polyurethane Foam	Gray	250°	20	0000000	00000
48 × 72	Not Rated	Polyurethane Foam	Gray	250°	45	0000000	00000
48 × 72	Not Rated	Polyurethane Foam	Green	250°	65	0000000	00000
48 × 72	Not Rated	Polyurethane Foam	Gray	250°	80	0000000	00000
48 × 72	Not Rated	Polyurethane Foam	Gray	250°	100	0000000	00000
1/4" Thick
12 × 12	Not Rated	Polyurethane Foam	Gray	250°	30, 60	00000000	0000
12 × 24	Not Rated	Polyurethane Foam	Gray	250°	30, 60	00000000	0000
16 × 20	Not Rated	Polyurethane Foam	Gray	250°	30, 60	00000000	0000
16 × 25	Not Rated	Polyurethane Foam	Gray	250°	30, 60	00000000	0000
20 × 20	Not Rated	Polyurethane Foam	Gray	250°	30, 60	00000000	0000
20 × 25	Not Rated	Polyurethane Foam	Gray	250°	30, 60	00000000	00000
24 × 24	Not Rated	Polyurethane Foam	Gray	250°	30, 60	00000000	00000
48 × 72	Not Rated	Polyurethane Foam	Gray	250°	20	0000000	00000
48 × 72	Not Rated	Polyurethane Foam	Gray	250°	45	0000000	00000
48 × 72	Not Rated	Polyurethane Foam	Green	250°	65	0000000	00000
48 × 72	Not Rated	Polyurethane Foam	Gray	250°	80	0000000	00000
48 × 72	Not Rated	Polyurethane Foam	Gray	250°	100	0000000	00000
1/2" Thick
12 × 12	Not Rated	Polyurethane Foam	Gray	250°	30, 60	00000000	0000
12 × 24	Not Rated	Polyurethane Foam	Gray	250°	30, 60	00000000	00000
16 × 20	Not Rated	Polyurethane Foam	Gray	250°	30, 60	00000000	00000
16 × 25	Not Rated	Polyurethane Foam	Gray	250°	30, 60	00000000	00000
20 × 20	Not Rated	Polyurethane Foam	Gray	250°	30, 60	00000000	00000
20 × 25	Not Rated	Polyurethane Foam	Gray	250°	30, 60	00000000	00000
24 × 24	Not Rated	Polyurethane Foam	Gray	250°	30, 60	00000000	00000
48 × 72	Not Rated	Polyurethane Foam	Gray	250°	20	0000000	00000
48 × 72	Not Rated	Polyurethane Foam	Gray	250°	45	0000000	00000
48 × 72	Not Rated	Polyurethane Foam	Green	250°	65	0000000	00000
48 × 72	Not Rated	Polyurethane Foam	Gray	250°	80	0000000	00000
48 × 72	Not Rated	Polyurethane Foam	Gray	250°	100	0000000	00000
1" Thick
12 × 12	Not Rated	Polyurethane Foam	Gray	250°	30, 60	00000000	0000
12 × 24	Not Rated	Polyurethane Foam	Gray	250°	30, 60	00000000	00000
16 × 20	Not Rated	Polyurethane Foam	Gray	250°	30, 60	00000000	00000
16 × 25	Not Rated	Polyurethane Foam	Gray	250°	30, 60	00000000	00000
20 × 20	Not Rated	Polyurethane Foam	Gray	250°	30, 60	00000000	00000
20 × 25	Not Rated	Polyurethane Foam	Gray	250°	30, 60	00000000	00000
24 × 24	Not Rated	Polyurethane Foam	Gray	250°	30, 60	00000000	00000
48 × 72	Not Rated	Polyurethane Foam	Gray	250°	20	0000000	000000
48 × 72	Not Rated	Polyurethane Foam	Gray	250°	45	0000000	000000
48 × 72	Not Rated	Polyurethane Foam	Green	250°	65	0000000	000000
48 × 72	Not Rated	Polyurethane Foam	Gray	250°	80	0000000	000000
48 × 72	Not Rated	Polyurethane Foam	Gray	250°	100	0000000	000000
2" Thick
12 × 12	Not Rated	Polyurethane Foam	Gray	250°	30, 60	00000000	00000
12 × 24	Not Rated	Polyurethane Foam	Gray	250°	30, 60	00000000	00000
16 × 20	Not Rated	Polyurethane Foam	Gray	250°	30, 60	00000000	00000
16 × 25	Not Rated	Polyurethane Foam	Gray	250°	30, 60	00000000	00000
20 × 20	Not Rated	Polyurethane Foam	Gray	250°	30, 60	00000000	00000
20 × 25	Not Rated	Polyurethane Foam	Gray	250°	30, 60	00000000	00000
24 × 24	Not Rated	Polyurethane Foam	Gray	250°	30, 60	00000000	00000
48 × 72	Not Rated	Polyurethane Foam	Gray	250°	20	0000000	000000
48 × 72	Not Rated	Polyurethane Foam	Gray	250°	45	0000000	000000
48 × 72	Not Rated	Polyurethane Foam	Green	250°	65	0000000	000000
48 × 72	Not Rated	Polyurethane Foam	Gray	250°	80	0000000	000000
48 × 72	Not Rated	Polyurethane Foam	Gray	250°	100	0000000	000000

Mildew-Resistant Reusable Air Filter Sample Packs

Samples of 30 and 60 Pores Per Inch

Samples of 20, 45, 65, 80, and 100 Pores Per Inch

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

	Roll/Pad
Pores Per Inch	Lg.	Wd.	Thick.	MERV Filter Rating	Material	Color	Specifications Met	Pkg. Qty.		Pkg.
30, 60	3"	3"	1/4"	Not Rated	Polyurethane Foam	Gray	UL 900	2	0000000	00000
20, 45, 65, 80, 100	6"	6"	1/8"	Not Rated	Polyurethane Foam	__	UL 900	5	0000000	00000

Mildew-Resistant Reusable Air Filter Rolls

Wash and reuse these lightweight filter rolls that resist mildew growth. Cut to the size you need; frames are sold separately.

Rolls with more pores per inch catch smaller particles than rolls with fewer pores per inch.

These rolls meet UL 900 flame retardance requirements.

1/8" Thick
Roll/Pad Wd.	MERV Filter Rating	Material	Color	Max. Temperature, °F	Pores Per Inch		5 ft. Lg.	10 ft. Lg.	25 ft. Lg.
8"	Not Rated	Polyurethane Foam	Gray	200°	30, 60	00000000	00000	00000	000000
12"	Not Rated	Polyurethane Foam	Gray	200°	30, 60	00000000	0000	0000	00000
24"	Not Rated	Polyurethane Foam	Gray	200°	30, 60	00000000	0000	00000	00000
36"	Not Rated	Polyurethane Foam	Gray	200°	30, 60	00000000	00000	00000	00000
48"	Not Rated	Polyurethane Foam	Gray	200°	30, 60	00000000	00000	00000	00000
1/4" Thick
8"	Not Rated	Polyurethane Foam	Gray	200°	30, 60	00000000	0000	00000	00000
12"	Not Rated	Polyurethane Foam	Gray	200°	30, 60	00000000	00000	00000	00000
24"	Not Rated	Polyurethane Foam	Gray	200°	30, 60	00000000	00000	00000	00000
36"	Not Rated	Polyurethane Foam	Gray	200°	30, 60	00000000	00000	00000	00000
48"	Not Rated	Polyurethane Foam	Gray	200°	30, 60	00000000	00000	00000	000000
1/2" Thick
8"	Not Rated	Polyurethane Foam	Gray	200°	30, 60	00000000	00000	00000	00000
12"	Not Rated	Polyurethane Foam	Gray	200°	30, 60	00000000	00000	00000	00000
24"	Not Rated	Polyurethane Foam	Gray	200°	30, 60	00000000	00000	00000	000000
36"	Not Rated	Polyurethane Foam	Gray	200°	30, 60	00000000	00000	00000	000000
48"	Not Rated	Polyurethane Foam	Gray	200°	30, 60	00000000	00000	000000	000000
1" Thick
8"	Not Rated	Polyurethane Foam	Gray	200°	30, 60	00000000	00000	00000	000000
12"	Not Rated	Polyurethane Foam	Gray	200°	30, 60	00000000	00000	00000	000000
24"	Not Rated	Polyurethane Foam	Gray	200°	30, 60	00000000	00000	000000	000000
36"	Not Rated	Polyurethane Foam	Gray	200°	30, 60	00000000	00000	000000	000000
48"	Not Rated	Polyurethane Foam	Gray	200°	30, 60	00000000	000000	000000	000000

Metal-Reinforced Reusable Air Filter Rolls

Wrapped in aluminum mesh for added support, these filters can be used without a frame. You can wash and reuse them. Cut to the size you need.

These rolls meet UL 900 flame retardance requirements.

5 ft. Lg.
Roll/Pad Wd.	MERV Filter Rating	Filter Efficiency	Removes Particle Size Down To, microns	Material	Color	Max. Temp., °F	Pores Per Inch		Each
1/2" Thick
15 1/8"	4	75%-80%	10	Polyurethane Foam	Green	250°	30	0000000	000000
19 1/8"	4	75%-80%	10	Polyurethane Foam	Green	250°	30	0000000	00000
24 1/8"	4	75%-80%	10	Polyurethane Foam	Green	250°	30	0000000	00000
1" Thick
15 1/8"	4	75%-80%	10	Polyurethane Foam	Green	250°	30	0000000	00000
19 1/8"	4	75%-80%	10	Polyurethane Foam	Green	250°	30	0000000	00000
24 1/8"	4	75%-80%	10	Polyurethane Foam	Green	250°	30	0000000	00000
10 ft. Lg.
1/2" Thick
15 1/8"	4	75%-80%	10	Polyurethane Foam	Green	250°	30	0000000	00000
19 1/8"	4	75%-80%	10	Polyurethane Foam	Green	250°	30	0000000	00000
24 1/8"	4	75%-80%	10	Polyurethane Foam	Green	250°	30	0000000	00000
1" Thick
15 1/8"	4	75%-80%	10	Polyurethane Foam	Green	250°	30	0000000	00000
19 1/8"	4	75%-80%	10	Polyurethane Foam	Green	250°	30	0000000	00000
24 1/8"	4	75%-80%	10	Polyurethane Foam	Green	250°	30	0000000	00000
25 ft. Lg.
1/2" Thick
15 1/8"	4	75%-80%	10	Polyurethane Foam	Green	250°	30	000000	00000
19 1/8"	4	75%-80%	10	Polyurethane Foam	Green	250°	30	000000	000000
24 1/8"	4	75%-80%	10	Polyurethane Foam	Green	250°	30	000000	000000
1" Thick
15 1/8"	4	75%-80%	10	Polyurethane Foam	Green	250°	30	000000	00000
19 1/8"	4	75%-80%	10	Polyurethane Foam	Green	250°	30	000000	000000
24 1/8"	4	75%-80%	10	Polyurethane Foam	Green	250°	30	000000	000000

Electronic Equipment Air Filter Pads

Reusable

Designed for use with electronic equipment, these pads can withstand prolonged exposure to heat and humidity. Cut to the size you need.

Pads meet UL flame retardance requirements.

Reusable pads can be washed.

Reusable
Trade Size	MERV Filter Rating	Material	Pores Per Inch	Specifications Met	For Removing		1/4" Thick	1/2" Thick	1" Thick
8 × 8	Not Rated	Polyurethane Foam	45	UL 900	Dust and Particles, Oils and Coolants	00000000	00000	00000	00000
10 × 10	Not Rated	Polyurethane Foam	45	UL 900	Dust and Particles, Oils and Coolants	00000000	0000	0000	00000
10 × 20	Not Rated	Polyurethane Foam	45	UL 900	Dust and Particles, Oils and Coolants	00000000	00000	00000	00000
14 × 14	Not Rated	Polyurethane Foam	45	UL 900	Dust and Particles, Oils and Coolants	00000000	00000	00000	00000
16 × 20	Not Rated	Polyurethane Foam	45	UL 900	Dust and Particles, Oils and Coolants	00000000	00000	00000	00000
16 × 25	Not Rated	Polyurethane Foam	45	UL 900	Dust and Particles, Oils and Coolants	00000000	00000	00000	00000
20 × 20	Not Rated	Polyurethane Foam	45	UL 900	Dust and Particles, Oils and Coolants	00000000	00000	00000	00000
20 × 25	Not Rated	Polyurethane Foam	45	UL 900	Dust and Particles, Oils and Coolants	00000000	00000	00000	00000
20 × 30	Not Rated	Polyurethane Foam	45	UL 900	Dust and Particles, Oils and Coolants	00000000	00000	00000	00000
24 × 24	Not Rated	Polyurethane Foam	45	UL 900	Dust and Particles, Oils and Coolants	00000000	00000	00000	00000

Terms and Conditions and Privacy Policy

About Air Filter Efficiency Ratings

Mildew-Resistant Reusable Air Filter Pads

Mildew-Resistant Reusable Air Filter Sample Packs

Mildew-Resistant Reusable Air Filter Rolls

Metal-Reinforced Reusable Air Filter Rolls

Electronic Equipment Air Filter Pads