MERV 5 Air Filters | McMaster-Carr

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Filter Efficiency @ 3 Microns

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Removes Particle Size Down To

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167 Products

About Air Filter Efficiency Ratings

These filters are typically used as replacements in HVAC equipment.

All meet UL Classified flame retardance requirements. Actual size is up to 5/8” more or less than trade size.

Prefilters can be used as a standalone filter or a prefilter that guards your main filter. They’re an economical choice for protecting expensive filters that catch fine particles.

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

Filters
HVAC Filter Trade Size	MERV Filter Rating	Filter Efficiency @ 3 Microns	Removes Particle Size Down To, microns	Material	Frame Material	Max. Temp., °F	Pkg. Qty.		Pkg.
1" Thick
12 × 16	5	20%	3	Fiberglass	Cardboard	180°	12	00000000	000000
Prefilters
1/2" Thick
7 × 10	5	20%	3	Fiberglass	Cardboard	150°	12	00000000	00000
8 × 8	5	20%	3	Fiberglass	Cardboard	150°	12	00000000	00000
8 × 11	5	20%	3	Fiberglass	Cardboard	150°	12	00000000	00000
8 × 17	5	20%	3	Fiberglass	Cardboard	150°	12	00000000	00000
8 × 22	5	20%	3	Fiberglass	Cardboard	150°	12	00000000	000000
9 × 11	5	20%	3	Fiberglass	Cardboard	150°	12	0000000	00000
10 × 17	5	20%	3	Fiberglass	Cardboard	150°	12	00000000	000000
11 × 12	5	20%	3	Fiberglass	Cardboard	150°	12	00000000	00000
11 × 14	5	20%	3	Fiberglass	Cardboard	150°	12	00000000	00000
12 × 12	5	20%	3	Fiberglass	Cardboard	150°	12	00000000	00000
12 × 14	5	20%	3	Fiberglass	Cardboard	150°	12	00000000	000000
12 × 20	5	20%	3	Fiberglass	Cardboard	150°	12	00000000	000000
1" Thick
6 × 6	5	20%	3	Fiberglass	Cardboard	150°	12	0000000	00000
7 × 7	5	20%	3	Fiberglass	Cardboard	150°	12	00000000	00000
8 × 8	5	20%	3	Fiberglass	Cardboard	150°	12	0000000	00000
8 × 30	5	20%	3	Fiberglass	Cardboard	150°	12	00000000	00000
10 × 10	5	20%	3	Fiberglass	Cardboard	180°	12	00000000	00000
10 × 16	5	20%	3	Fiberglass	Cardboard	150°	12	0000000	000000
10 × 20	5	20%	3	Fiberglass	Cardboard	180°	12	00000000	00000
10 × 24	5	20%	3	Fiberglass	Cardboard	180°	12	00000000	00000
10 × 25	5	20%	3	Fiberglass	Cardboard	180°	12	00000000	00000
10 × 30	5	20%	3	Fiberglass	Cardboard	180°	12	00000000	00000
12 × 12	5	20%	3	Fiberglass	Cardboard	180°	12	00000000	00000
12 × 18	5	20%	3	Fiberglass	Cardboard	180°	12	00000000	00000
12 × 20	5	20%	3	Fiberglass	Cardboard	180°	12	00000000	00000
12 × 24	5	20%	3	Fiberglass	Cardboard	180°	12	00000000	00000
12 × 25	5	20%	3	Fiberglass	Cardboard	180°	12	0000000	00000
12 × 31	5	20%	3	Fiberglass	Cardboard	150°	12	00000000	000000
12 × 36	5	20%	3	Fiberglass	Cardboard	180°	12	00000000	000000
14 × 14	5	20%	3	Fiberglass	Cardboard	180°	12	00000000	00000
14 × 18	5	20%	3	Fiberglass	Cardboard	180°	12	00000000	00000
14 × 20	5	20%	3	Fiberglass	Cardboard	180°	12	00000000	00000
14 × 24	5	20%	3	Fiberglass	Cardboard	180°	12	0000000	00000
14 × 25	5	20%	3	Fiberglass	Cardboard	180°	12	00000000	00000
14 × 30	5	20%	3	Fiberglass	Cardboard	180°	12	0000000	00000
15 × 20	5	20%	3	Fiberglass	Cardboard	180°	12	00000000	00000
15 × 25	5	20%	3	Fiberglass	Cardboard	180°	12	0000000	00000
15 × 31	5	20%	3	Fiberglass	Cardboard	180°	12	00000000	00000
16 × 16	5	20%	3	Fiberglass	Cardboard	180°	12	00000000	00000
16 × 18	5	20%	3	Fiberglass	Cardboard	150°	12	00000000	00000
16 × 20	5	20%	3	Fiberglass	Cardboard	180°	12	00000000	00000
16 × 24	5	20%	3	Fiberglass	Cardboard	180°	12	00000000	00000
16 × 25	5	20%	3	Fiberglass	Cardboard	180°	12	00000000	00000
16 × 30	5	20%	3	Fiberglass	Cardboard	180°	12	0000000	000000
16 × 32	5	20%	3	Fiberglass	Cardboard	150°	12	00000000	000000
18 × 18	5	20%	3	Fiberglass	Cardboard	180°	12	00000000	00000
18 × 20	5	20%	3	Fiberglass	Cardboard	180°	12	00000000	00000
18 × 22	5	20%	3	Fiberglass	Cardboard	150°	12	00000000	00000
18 × 24	5	20%	3	Fiberglass	Cardboard	180°	12	0000000	00000
18 × 25	5	20%	3	Fiberglass	Cardboard	180°	12	00000000	00000
18 × 30	5	20%	3	Fiberglass	Cardboard	180°	12	00000000	000000
18 × 36	5	20%	3	Fiberglass	Cardboard	180°	12	00000000	000000
19 × 27	5	20%	3	Fiberglass	Cardboard	150°	12	00000000	00000
20 × 20	5	20%	3	Fiberglass	Cardboard	180°	12	00000000	00000
20 × 22	5	20%	3	Fiberglass	Cardboard	180°	12	00000000	00000
20 × 24	5	20%	3	Fiberglass	Cardboard	180°	12	00000000	00000
20 × 25	5	20%	3	Fiberglass	Cardboard	180°	12	00000000	00000
20 × 30	5	20%	3	Fiberglass	Cardboard	180°	12	0000000	00000
20 × 32	5	20%	3	Fiberglass	Cardboard	150°	12	00000000	000000
20 × 36	5	20%	3	Fiberglass	Cardboard	180°	12	00000000	000000
22 × 22	5	20%	3	Fiberglass	Cardboard	180°	12	0000000	00000
24 × 24	5	20%	3	Fiberglass	Cardboard	180°	12	00000000	00000
24 × 30	5	20%	3	Fiberglass	Cardboard	180°	12	0000000	00000
25 × 25	5	20%	3	Fiberglass	Cardboard	180°	12	00000000	00000
2" Thick
10 × 10	5	20%	3	Fiberglass	Cardboard	150°	12	00000000	00000
10 × 20	5	20%	3	Fiberglass	Cardboard	180°	12	00000000	00000
12 × 12	5	20%	3	Fiberglass	Cardboard	150°	12	00000000	00000
12 × 24	5	20%	3	Fiberglass	Cardboard	180°	12	00000000	00000
14 × 20	5	20%	3	Fiberglass	Cardboard	180°	12	0000000	00000
14 × 25	5	20%	3	Fiberglass	Cardboard	180°	12	00000000	00000
15 × 20	5	20%	3	Fiberglass	Cardboard	180°	12	00000000	00000
16 × 16	5	20%	3	Fiberglass	Cardboard	150°	12	00000000	00000
16 × 20	5	20%	3	Fiberglass	Cardboard	180°	12	0000000	00000
16 × 24	5	20%	3	Fiberglass	Cardboard	180°	12	00000000	00000
16 × 25	5	20%	3	Fiberglass	Cardboard	180°	12	0000000	00000
18 × 24	5	20%	3	Fiberglass	Cardboard	180°	12	0000000	00000
18 × 25	5	20%	3	Fiberglass	Cardboard	150°	12	00000000	000000
20 × 20	5	20%	3	Fiberglass	Cardboard	180°	12	0000000	00000
20 × 24	5	20%	3	Fiberglass	Cardboard	180°	12	0000000	00000
20 × 25	5	20%	3	Fiberglass	Cardboard	180°	12	00000000	00000
24 × 24	5	20%	3	Fiberglass	Cardboard	180°	12	00000000	00000
25 × 25	5	20%	3	Fiberglass	Cardboard	180°	12	0000000	00000

Made-to-Order Panel Air Filters

Minimum filter size is 4" × 4". Maximum filter size is 23" × 30". Multiply the length × width to determine square inches. Then, see size ranges for pricing.

Typically used as replacements in HVAC equipment, these filters work as a standalone filter or a prefilter that guards your main filter. They’re an economical choice for protecting expensive filters that catch fine particles.

All meet UL Classified flame retardance requirements.

Also Available: Filters larger than 23" × 30". Please ask for 3884T999 and specify material, thickness, actual length, and actual width.

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

1" Thick
Filter Area, sq. in.	MERV Filter Rating	Material	Frame Material	Max. Temperature, °F	Pkg. Qty.		Pkg.
16-149	5	Fiberglass	Cardboard	180°	12	0000000	000000
150-199	5	Fiberglass	Cardboard	180°	12	0000000	00000
200-249	5	Fiberglass	Cardboard	180°	12	0000000	00000
250-299	5	Fiberglass	Cardboard	180°	12	0000000	000000
300-399	5	Fiberglass	Cardboard	180°	12	0000000	000000
400-499	5	Fiberglass	Cardboard	180°	12	0000000	000000
500-599	5	Fiberglass	Cardboard	180°	12	0000000	000000
600-690	5	Fiberglass	Cardboard	180°	12	0000000	000000
2" Thick
16-149	5	Fiberglass	Cardboard	180°	12	0000000	00000
150-199	5	Fiberglass	Cardboard	180°	12	0000000	000000
200-249	5	Fiberglass	Cardboard	180°	12	0000000	000000
250-299	5	Fiberglass	Cardboard	180°	12	0000000	000000
300-399	5	Fiberglass	Cardboard	180°	12	0000000	000000
400-499	5	Fiberglass	Cardboard	180°	12	0000000	000000
500-599	5	Fiberglass	Cardboard	180°	12	0000000	000000
600-690	5	Fiberglass	Cardboard	180°	12	0000000	000000

Air Filter Rolls

Cut these rolls to the size you need; frames are sold separately.

All meet UL 900 flame retardance requirements.

90-ft. and 135-ft. long rolls with a width of 10" or greater come vacuum packed and expand after compression is released.

1/2" Thick

5 ft. Lg.
Roll/Pad Wd.	MERV Filter Rating	Filter Efficiency @ 3 Microns	Removes Particle Size Down To, microns	Material	Color	Max. Temp., °F		Each
Dry Surface
6"	5	20%	3	Polyester Plastic	White	225°	00000000	00000
8"	5	20%	3	Polyester Plastic	White	225°	00000000	0000
10"	5	20%	3	Polyester Plastic	White	225°	00000000	0000
12"	5	20%	3	Polyester Plastic	White	225°	00000000	0000
14"	5	20%	3	Polyester Plastic	White	225°	00000000	0000
16"	5	20%	3	Polyester Plastic	White	225°	00000000	00000
20"	5	20%	3	Polyester Plastic	White	225°	00000000	00000
25"	5	20%	3	Polyester Plastic	White	225°	00000000	00000
26"	5	20%	3	Polyester Plastic	White	225°	00000000	00000
28"	5	20%	3	Polyester Plastic	White	225°	00000000	00000
30"	5	20%	3	Polyester Plastic	White	225°	00000000	00000
36"	5	20%	3	Polyester Plastic	White	225°	00000000	00000
40"	5	20%	3	Polyester Plastic	White	225°	00000000	00000
48"	5	20%	3	Polyester Plastic	White	225°	00000000	00000
15 ft. Lg.
Dry Surface
6"	5	20%	3	Polyester Plastic	White	225°	00000000	00000
8"	5	20%	3	Polyester Plastic	White	225°	00000000	00000
10"	5	20%	3	Polyester Plastic	White	225°	00000000	00000
12"	5	20%	3	Polyester Plastic	White	225°	00000000	00000
14"	5	20%	3	Polyester Plastic	White	225°	00000000	00000
16"	5	20%	3	Polyester Plastic	White	225°	00000000	00000
20"	5	20%	3	Polyester Plastic	White	225°	00000000	00000
25"	5	20%	3	Polyester Plastic	White	225°	00000000	00000
26"	5	20%	3	Polyester Plastic	White	225°	00000000	00000
28"	5	20%	3	Polyester Plastic	White	225°	00000000	00000
30"	5	20%	3	Polyester Plastic	White	225°	00000000	00000
36"	5	20%	3	Polyester Plastic	White	225°	00000000	00000
40"	5	20%	3	Polyester Plastic	White	225°	00000000	00000
48"	5	20%	3	Polyester Plastic	White	225°	00000000	00000
135 ft. Lg.
Dry Surface
6"	5	20%	3	Polyester Plastic	White	225°	00000000	00000
8"	5	20%	3	Polyester Plastic	White	225°	00000000	00000
10"	5	20%	3	Polyester Plastic	White	225°	00000000	00000
12"	5	20%	3	Polyester Plastic	White	225°	00000000	00000
14"	5	20%	3	Polyester Plastic	White	225°	00000000	00000
16"	5	20%	3	Polyester Plastic	White	225°	00000000	000000
20"	5	20%	3	Polyester Plastic	White	225°	00000000	000000
25"	5	20%	3	Polyester Plastic	White	225°	00000000	000000
26"	5	20%	3	Polyester Plastic	White	225°	00000000	000000
28"	5	20%	3	Polyester Plastic	White	225°	00000000	000000
30"	5	20%	3	Polyester Plastic	White	225°	00000000	000000
36"	5	20%	3	Polyester Plastic	White	225°	00000000	000000
40"	5	20%	3	Polyester Plastic	White	225°	00000000	000000
48"	5	20%	3	Polyester Plastic	White	225°	00000000	000000

Reusable Air Filter Rolls

Wash and reuse these rolls. Cut to the size you need.

These rolls meet UL 900 flame retardance requirements.

Polyester pads require no frame--rigid polyester is firm enough to be used without one.

Polyester Plastic

1/2" Thick
Roll/Pad Wd.	MERV Filter Rating	Filter Efficiency @ 3 Microns	Removes Particle Size Down To	Material	Color	Maximum Temp °F		6 ft. Lg.	12 ft. Lg.	36 ft. Lg.
6"	5	20%	3 microns	Polyester Plastic	Blue	225° F	000000	000000	000000	000000
8"	5	20%	3 microns	Polyester Plastic	Blue	225° F	000000	00000	00000	00000
10"	5	20%	3 microns	Polyester Plastic	Blue	225° F	000000	00000	00000	00000
12"	5	20%	3 microns	Polyester Plastic	Blue	225° F	000000	00000	00000	00000
14"	5	20%	3 microns	Polyester Plastic	Blue	225° F	000000	00000	00000	00000
16"	5	20%	3 microns	Polyester Plastic	Blue	225° F	000000	00000	00000	00000
20"	5	20%	3 microns	Polyester Plastic	Blue	225° F	000000	00000	00000	000000
25"	5	20%	3 microns	Polyester Plastic	Blue	225° F	000000	00000	00000	000000
26"	5	20%	3 microns	Polyester Plastic	Blue	225° F	000000	00000	00000	000000
28"	5	20%	3 microns	Polyester Plastic	Blue	225° F	0000000	00000	00000	000000
30"	5	20%	3 microns	Polyester Plastic	Blue	225° F	0000000	00000	00000	000000
36"	5	20%	3 microns	Polyester Plastic	Blue	225° F	0000000	00000	00000	000000
48"	5	20%	3 microns	Polyester Plastic	Blue	225° F	0000000	00000	000000	000000
72"	5	20%	3 microns	Polyester Plastic	Blue	225° F	0000000	00000	000000	000000

Reusable Air Filter Pads

Wash and reuse these pads. Cut to the size you need.

These pads meet UL 900 flame retardance requirements.

Polyester pads require no frame—rigid polyester is firm enough to be used without one.

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

Polyester Plastic

1/2" Thick
HVAC Filter Trade Size	MERV Filter Rating	Filter Efficiency @ 3 Microns	Removes Particle Size Down To, microns	Material	Color	Maximum Temperature	Pkg. Qty.		Pkg.
12 × 12	5	20%	3	Polyester Plastic	Blue	225° F	5	00000000	000000
12 × 24	5	20%	3	Polyester Plastic	Blue	225° F	5	00000000	00000
14 × 25	5	20%	3	Polyester Plastic	Blue	225° F	5	00000000	00000
15 × 24	5	20%	3	Polyester Plastic	Blue	225° F	5	00000000	00000
16 × 20	5	20%	3	Polyester Plastic	Blue	225° F	5	00000000	00000
16 × 25	5	20%	3	Polyester Plastic	Blue	225° F	5	00000000	00000
20 × 20	5	20%	3	Polyester Plastic	Blue	225° F	5	00000000	00000
20 × 25	5	20%	3	Polyester Plastic	Blue	225° F	5	00000000	00000
20 × 30	5	20%	3	Polyester Plastic	Blue	225° F	5	00000000	00000
24 × 24	5	20%	3	Polyester Plastic	Blue	225° F	5	00000000	00000
25 × 48	5	20%	3	Polyester Plastic	Blue	225° F	1	00000000	00000
25 × 48	5	20%	3	Polyester Plastic	Blue	225° F	5	00000000	00000