MERV 4 Filters | McMaster-Carr

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135 Products

About Air Filter Efficiency Ratings

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.

Don’t see the size you need? Additional sizes are available.

For technical drawings and 3-D models, click on a part number.

1/2" Thick
HVAC Filter Trade Size	MERV Filter Rating	Removes Particle Size Down To, microns	Material	Frame Gauge	Max. Temperature, °F		Each
4 × 26	4	10	Aluminum	18	240°	00000000	000000
5 × 14	4	10	Aluminum	18	240°	00000000	00000
5 × 15	4	10	Aluminum	18	240°	00000000	00000
6 × 6	4	10	Aluminum	18	240°	00000000	00000
6 × 9	4	10	Aluminum	18	240°	00000000	00000
6 × 12	4	10	Aluminum	18	240°	00000000	00000
6 × 18	4	10	Aluminum	18	240°	0000000	00000
6 × 21	4	10	Aluminum	18	240°	00000000	00000
7 × 23 3/8	4	10	Aluminum	18	240°	0000000	00000
7 × 35	4	10	Aluminum	18	240°	00000000	00000
8 × 21	4	10	Aluminum	18	240°	00000000	00000
9 × 10	4	10	Aluminum	18	240°	00000000	00000
9 × 21	4	10	Aluminum	18	240°	0000000	00000
9 3/8 × 16 1/2	4	10	Aluminum	18	240°	0000000	00000
10 × 10	4	10	Aluminum	18	240°	00000000	00000
10 × 16	4	10	Aluminum	18	240°	00000000	00000
10 × 20	4	10	Aluminum	18	240°	00000000	00000
11 × 11	4	10	Aluminum	18	240°	00000000	00000
12 × 12	4	10	Aluminum	18	240°	0000000	00000
12 × 22	4	10	Aluminum	18	240°	0000000	00000
13 × 13	4	10	Aluminum	18	240°	00000000	00000
13 × 16	4	10	Aluminum	18	240°	0000000	00000
13 × 17	4	10	Aluminum	18	240°	00000000	00000
15 × 15	4	10	Aluminum	18	240°	00000000	00000
16 × 8	4	10	Aluminum	18	240°	00000000	00000
16 × 16	4	10	Aluminum	18	240°	00000000	00000
16 × 23	4	10	Aluminum	18	240°	00000000	00000
16 × 25	4	10	Aluminum	18	240°	00000000	00000
17 × 20	4	10	Aluminum	18	240°	00000000	00000
17 × 30	4	10	Aluminum	18	240°	00000000	00000
18 × 18	4	10	Aluminum	18	240°	0000000	00000
20 × 25	4	10	Aluminum	18	240°	00000000	00000
1" Thick
9 × 55	4	10	Aluminum	18	240°	00000000	00000
10 × 10	4	10	Aluminum	18	240°	0000000	00000
10 × 12	4	10	Aluminum	18	240°	0000000	00000
10 × 16	4	10	Aluminum	18	240°	00000000	00000
10 × 20	4	10	Aluminum	18	240°	0000000	00000
12 × 12	4	10	Aluminum	18	240°	0000000	00000
12 × 14	4	10	Aluminum	18	240°	0000000	00000
12 × 16	4	10	Aluminum	18	240°	0000000	00000
12 × 20	4	10	Aluminum	18	240°	0000000	00000
12 × 24	4	10	Aluminum	18	240°	0000000	00000
14 × 14	4	10	Aluminum	18	240°	0000000	00000
14 × 20	4	10	Aluminum	18	240°	0000000	00000
14 × 24	4	10	Aluminum	18	240°	00000000	00000
14 × 25	4	10	Aluminum	18	240°	0000000	00000
15 × 20	4	10	Aluminum	18	240°	0000000	00000
15 × 24	4	10	Aluminum	18	240°	0000000	00000
15 × 30	4	10	Aluminum	18	240°	0000000	00000
16 × 16	4	10	Aluminum	18	240°	0000000	00000
16 × 20	4	10	Aluminum	18	240°	0000000	00000
16 × 25	4	10	Aluminum	18	240°	0000000	00000
16 × 30	4	10	Aluminum	18	240°	00000000	00000
18 × 18	4	10	Aluminum	18	240°	0000000	00000
18 × 21	4	10	Aluminum	18	240°	00000000	00000
18 × 24	4	10	Aluminum	18	240°	0000000	00000
18 × 40	4	10	Aluminum	18	240°	0000000	000000
19 × 21	4	10	Aluminum	18	240°	00000000	00000
20 × 20	4	10	Aluminum	18	240°	0000000	00000
20 × 24	4	10	Aluminum	18	240°	0000000	00000
20 × 25	4	10	Aluminum	18	240°	0000000	00000
20 × 30	4	10	Aluminum	18	240°	0000000	00000
22 × 22	4	10	Aluminum	18	240°	00000000	00000
22 × 30	4	10	Aluminum	18	240°	0000000	00000
23 × 25	4	10	Aluminum	18	240°	00000000	00000
24 × 24	4	10	Aluminum	18	240°	0000000	00000
30 × 30	4	10	Aluminum	18	240°	0000000	000000
2" Thick
10 × 20	4	10	Aluminum	18	240°	0000000	00000
10 × 24	4	10	Aluminum	18	240°	00000000	00000
10 × 25	4	10	Aluminum	18	240°	00000000	00000
12 × 12	4	10	Aluminum	18	240°	00000000	00000
12 × 23	4	10	Aluminum	18	240°	00000000	00000
12 × 24	4	10	Aluminum	18	240°	00000000	00000
14 × 14	4	10	Aluminum	18	240°	00000000	00000
15 × 20	4	10	Aluminum	18	240°	0000000	00000
16 × 16	4	10	Aluminum	18	240°	00000000	00000
16 × 20	4	10	Aluminum	18	240°	0000000	00000
16 × 24	4	10	Aluminum	18	240°	00000000	00000
16 × 25	4	10	Aluminum	18	240°	0000000	00000
16 × 32	4	10	Aluminum	18	240°	00000000	00000
18 × 18	4	10	Aluminum	18	240°	00000000	00000
18 × 24	4	10	Aluminum	18	240°	00000000	00000
18 × 26	4	10	Aluminum	18	240°	00000000	00000
20 × 20	4	10	Aluminum	18	240°	0000000	00000
20 × 24	4	10	Aluminum	18	240°	0000000	00000
20 × 25	4	10	Aluminum	18	240°	0000000	00000
24 × 24	4	10	Aluminum	18	240°	0000000	00000
4" Thick
24 × 24	4	10	Aluminum	18	240°	0000000	000000

Made-to-Order Heavy Duty Reusable Metal Panel Filters

We can get you any size filter. Multiply the length × width to determine square inches. Then, see size ranges for pricing.

These filters are also known as metal mesh filters. With a frame made of a thick gauge metal, they are durable. These frames can be washed and reused.

Filters meet UL 900 flame retardance requirements.

Also Available: Filters larger than 599 square inches. Please ask for 2150K999 and specify thickness, actual length, and actual width.

For technical drawings and 3-D models, click on a part number.

1/2" Thick
Filter Area, sq. in.	MERV Filter Rating	Removes Particle Size Down To, microns	Material	Frame Gauge	Max. Temperature, °F		Each
1-299	4	10	Aluminum	18	240°	0000000	000000
300-599	4	10	Aluminum	18	240°	0000000	00000
1" Thick
1-299	4	10	Aluminum	18	240°	0000000	00000
300-599	4	10	Aluminum	18	240°	0000000	00000
2" Thick
1-299	4	10	Aluminum	18	240°	0000000	00000
300-599	4	10	Aluminum	18	240°	0000000	00000
3" Thick
1-299	4	10	Aluminum	18	250°	0000000	00000
300-599	4	10	Aluminum	18	250°	0000000	000000
4" Thick
1-299	4	10	Aluminum	18	250°	0000000	000000
300-599	4	10	Aluminum	18	250°	0000000	000000

High-Temperature Reusable Metal Panel Filters

Galvanized Steel

Stainless Steel

These filters are built to withstand higher temperatures than other metal panel air filters. They can be washed and reused.

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.

2" Thick
HVAC Filter Trade Size	MERV Filter Rating	Removes Particle Size Down To, microns	Max. Temperature, °F	Features	For Removing		Each
Galvanized Steel
10 × 10	4	10	425°	__	Dust and Particles	0000000	000000
10 × 20	4	10	425°	__	Dust and Particles	0000000	00000
12 × 24	4	10	425°	__	Dust and Particles	0000000	00000
16 × 20	4	10	425°	__	Dust and Particles	0000000	00000
16 × 25	4	10	425°	__	Dust and Particles	0000000	00000
20 × 20	4	10	425°	__	Dust and Particles	0000000	00000
20 × 25	4	10	425°	__	Dust and Particles	0000000	00000
24 × 24	4	10	425°	__	Dust and Particles	0000000	00000
30 × 30	4	10	425°	__	Dust and Particles	0000000	000000
Stainless Steel
10 × 10	4	10	900°	Handles	Dust and Particles, Grease	00000000	000000
10 × 20	4	10	900°	Handles	Dust and Particles, Grease	00000000	000000
12 × 24	4	10	900°	Handles	Dust and Particles, Grease	00000000	000000
16 × 20	4	10	900°	Handles	Dust and Particles, Grease	00000000	000000
16 × 25	4	10	900°	Handles	Dust and Particles, Grease	00000000	000000
20 × 20	4	10	900°	Handles	Dust and Particles, Grease	00000000	000000
20 × 25	4	10	900°	Handles	Dust and Particles, Grease	00000000	000000
24 × 24	4	10	900°	Handles	Dust and Particles, Grease	00000000	000000
30 × 30	4	10	900°	Handles	Dust and Particles, Grease	00000000	000000

Optional Handles for Galvanized Steel Units

0000000

Pair

00000

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	Removes Particle Size Down To, microns	Material	Color	Max. Temp., °F	Pores Per Inch		Each
1/2" Thick
15 1/8"	4	10	Polyurethane Foam	Green	250°	30	0000000	000000
19 1/8"	4	10	Polyurethane Foam	Green	250°	30	0000000	00000
24 1/8"	4	10	Polyurethane Foam	Green	250°	30	0000000	00000
1" Thick
15 1/8"	4	10	Polyurethane Foam	Green	250°	30	0000000	00000
19 1/8"	4	10	Polyurethane Foam	Green	250°	30	0000000	00000
24 1/8"	4	10	Polyurethane Foam	Green	250°	30	0000000	00000
10 ft. Lg.
1/2" Thick
15 1/8"	4	10	Polyurethane Foam	Green	250°	30	0000000	00000
19 1/8"	4	10	Polyurethane Foam	Green	250°	30	0000000	00000
24 1/8"	4	10	Polyurethane Foam	Green	250°	30	0000000	000000
1" Thick
15 1/8"	4	10	Polyurethane Foam	Green	250°	30	0000000	00000
19 1/8"	4	10	Polyurethane Foam	Green	250°	30	0000000	000000
24 1/8"	4	10	Polyurethane Foam	Green	250°	30	0000000	000000
25 ft. Lg.
1/2" Thick
15 1/8"	4	10	Polyurethane Foam	Green	250°	30	000000	000000
19 1/8"	4	10	Polyurethane Foam	Green	250°	30	000000	000000
24 1/8"	4	10	Polyurethane Foam	Green	250°	30	000000	000000
1" Thick
15 1/8"	4	10	Polyurethane Foam	Green	250°	30	000000	000000
19 1/8"	4	10	Polyurethane Foam	Green	250°	30	000000	000000
24 1/8"	4	10	Polyurethane Foam	Green	250°	30	000000	000000