MERV 7 Filters | McMaster-Carr

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Removes Particle Size Down To

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113 Products

About Air Filter Efficiency Ratings

Eliminate heavy odors with these filters that have 30 times the odor removing ability of standard odor-removal air filters. The cardboard frame is treated to resist humidity, and the galvanized steel grill prevents sagging.

These filters meet UL 900 flame retardance requirements. Actual size is up to 5/8" 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	Filter Efficiency @ 3 Microns	Removes Particle Size Down To, microns	Carbon Concentration, g/sq. ft.	Material	Frame Material	Max. Temperature, °F		Each
12 × 24	7	50%	3	300	Carbon-Filled Polyester Plastic	Cardboard	120°	0000000	000000
16 × 20	7	50%	3	300	Carbon-Filled Polyester Plastic	Cardboard	120°	0000000	00000
16 × 25	7	50%	3	300	Carbon-Filled Polyester Plastic	Cardboard	120°	0000000	00000
18 × 24	7	50%	3	300	Carbon-Filled Polyester Plastic	Cardboard	120°	0000000	000000
20 × 20	7	50%	3	300	Carbon-Filled Polyester Plastic	Cardboard	120°	0000000	00000
20 × 24	7	50%	3	300	Carbon-Filled Polyester Plastic	Cardboard	120°	0000000	00000
20 × 25	7	50%	3	300	Carbon-Filled Polyester Plastic	Cardboard	120°	0000000	00000
24 × 24	7	50%	3	300	Carbon-Filled Polyester Plastic	Cardboard	120°	0000000	00000

Air Filter Rolls

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

All meet UL 900 flame retardance requirements.

Rolls with a tacky surface retain particles better than other rolls.

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
Tacky Surface
20"	7	50%	3	Polyester Plastic	Blue, White	225°	00000000	000000
25"	7	50%	3	Polyester Plastic	Blue, White	225°	00000000	00000
26"	7	50%	3	Polyester Plastic	Blue, White	225°	00000000	00000
28"	7	50%	3	Polyester Plastic	Blue, White	225°	00000000	00000
30"	7	50%	3	Polyester Plastic	Blue, White	225°	00000000	00000
36"	7	50%	3	Polyester Plastic	Blue, White	225°	00000000	00000
40"	7	50%	3	Polyester Plastic	Blue, White	225°	00000000	00000
48"	7	50%	3	Polyester Plastic	Blue, White	225°	00000000	00000
15 ft. Lg.
Tacky Surface
6"	7	50%	3	Polyester Plastic	Blue, White	225°	00000000	00000
8"	7	50%	3	Polyester Plastic	Blue, White	225°	00000000	00000
10"	7	50%	3	Polyester Plastic	Blue, White	225°	00000000	00000
12"	7	50%	3	Polyester Plastic	Blue, White	225°	00000000	00000
14"	7	50%	3	Polyester Plastic	Blue, White	225°	00000000	00000
16"	7	50%	3	Polyester Plastic	Blue, White	225°	00000000	00000
20"	7	50%	3	Polyester Plastic	Blue, White	225°	00000000	00000
25"	7	50%	3	Polyester Plastic	Blue, White	225°	00000000	00000
26"	7	50%	3	Polyester Plastic	Blue, White	225°	00000000	00000
28"	7	50%	3	Polyester Plastic	Blue, White	225°	00000000	00000
30"	7	50%	3	Polyester Plastic	Blue, White	225°	00000000	00000
36"	7	50%	3	Polyester Plastic	Blue, White	225°	00000000	00000
40"	7	50%	3	Polyester Plastic	Blue, White	225°	00000000	00000
48"	7	50%	3	Polyester Plastic	Blue, White	225°	00000000	00000
135 ft. Lg.
Tacky Surface
6"	7	50%	3	Polyester Plastic	Blue, White	225°	00000000	00000
8"	7	50%	3	Polyester Plastic	Blue, White	225°	00000000	00000
10"	7	50%	3	Polyester Plastic	Blue, White	225°	00000000	00000
12"	7	50%	3	Polyester Plastic	Blue, White	225°	00000000	00000
14"	7	50%	3	Polyester Plastic	Blue, White	225°	00000000	00000
16"	7	50%	3	Polyester Plastic	Blue, White	225°	00000000	000000
20"	7	50%	3	Polyester Plastic	Blue, White	225°	00000000	000000
25"	7	50%	3	Polyester Plastic	Blue, White	225°	00000000	000000
26"	7	50%	3	Polyester Plastic	Blue, White	225°	00000000	000000
28"	7	50%	3	Polyester Plastic	Blue, White	225°	00000000	000000
30"	7	50%	3	Polyester Plastic	Blue, White	225°	00000000	000000
36"	7	50%	3	Polyester Plastic	Blue, White	225°	00000000	000000
40"	7	50%	3	Polyester Plastic	Blue, White	225°	00000000	000000
48"	7	50%	3	Polyester Plastic	Blue, White	225°	00000000	000000

1" 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
Tacky Surface
20"	7	50%	3	Polyester Plastic	Blue, White	225°	00000000	000000
25"	7	50%	3	Polyester Plastic	Blue, White	225°	00000000	00000
26"	7	50%	3	Polyester Plastic	Blue, White	225°	00000000	00000
28"	7	50%	3	Polyester Plastic	Blue, White	225°	00000000	00000
30"	7	50%	3	Polyester Plastic	Blue, White	225°	00000000	00000
36"	7	50%	3	Polyester Plastic	Blue, White	225°	00000000	00000
40"	7	50%	3	Polyester Plastic	Blue, White	225°	00000000	00000
48"	7	50%	3	Polyester Plastic	Blue, White	225°	00000000	00000
15 ft. Lg.
Tacky Surface
6"	7	50%	3	Polyester Plastic	Blue, White	225°	00000000	00000
8"	7	50%	3	Polyester Plastic	Blue, White	225°	00000000	00000
10"	7	50%	3	Polyester Plastic	Blue, White	225°	00000000	00000
12"	7	50%	3	Polyester Plastic	Blue, White	225°	00000000	00000
14"	7	50%	3	Polyester Plastic	Blue, White	225°	00000000	00000
16"	7	50%	3	Polyester Plastic	Blue, White	225°	00000000	00000
20"	7	50%	3	Polyester Plastic	Blue, White	225°	00000000	00000
25"	7	50%	3	Polyester Plastic	Blue, White	225°	00000000	00000
26"	7	50%	3	Polyester Plastic	Blue, White	225°	00000000	00000
28"	7	50%	3	Polyester Plastic	Blue, White	225°	00000000	00000
30"	7	50%	3	Polyester Plastic	Blue, White	225°	00000000	00000
36"	7	50%	3	Polyester Plastic	Blue, White	225°	00000000	00000
40"	7	50%	3	Polyester Plastic	Blue, White	225°	00000000	00000
48"	7	50%	3	Polyester Plastic	Blue, White	225°	00000000	00000
90 ft. Lg.
Tacky Surface
6"	7	50%	3	Polyester Plastic	Blue, White	225°	00000000	00000
8"	7	50%	3	Polyester Plastic	Blue, White	225°	00000000	00000
10"	7	50%	3	Polyester Plastic	Blue, White	225°	00000000	00000
12"	7	50%	3	Polyester Plastic	Blue, White	225°	00000000	00000
14"	7	50%	3	Polyester Plastic	Blue, White	225°	00000000	00000
16"	7	50%	3	Polyester Plastic	Blue, White	225°	00000000	00000
20"	7	50%	3	Polyester Plastic	Blue, White	225°	00000000	00000
25"	7	50%	3	Polyester Plastic	Blue, White	225°	00000000	000000
26"	7	50%	3	Polyester Plastic	Blue, White	225°	00000000	000000
28"	7	50%	3	Polyester Plastic	Blue, White	225°	00000000	000000
30"	7	50%	3	Polyester Plastic	Blue, White	225°	00000000	000000
36"	7	50%	3	Polyester Plastic	Blue, White	225°	00000000	000000
40"	7	50%	3	Polyester Plastic	Blue, White	225°	00000000	000000
48"	7	50%	3	Polyester Plastic	Blue, White	225°	00000000	000000

Odor-Removal Air Filter Pads

With a higher carbon concentration than odor-removal air filter rolls, these pads handle heavier odors. Cut to the size you need; frames are sold separately.

All meet UL 900 flame retardance requirements.

Pads with a carbon concentration of 375 g/sq. ft. provide greater odor control than other pads and can handle ammonia, hydrogen sulfide, and other gases. They are often used in hospitals and laboratories.

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

300 g/sq. ft. Carbon Concentration
HVAC Filter Trade Size	MERV Filter Rating	Filter Efficiency @ 3 Microns	Removes Particle Size Down To, microns	Material	Color	Max. Temperature, °F		Each
1" Thick
12 × 12	7	50%	3	Carbon-Filled Polyester Plastic	Black	120°	0000000	000000
12 × 24	7	50%	3	Carbon-Filled Polyester Plastic	Black	120°	0000000	00000
14 × 25	7	50%	3	Carbon-Filled Polyester Plastic	Black	120°	0000000	00000
15 × 24	7	50%	3	Carbon-Filled Polyester Plastic	Black	120°	0000000	00000
16 × 20	7	50%	3	Carbon-Filled Polyester Plastic	Black	120°	0000000	00000
16 × 25	7	50%	3	Carbon-Filled Polyester Plastic	Black	120°	0000000	00000
20 × 20	7	50%	3	Carbon-Filled Polyester Plastic	Black	120°	0000000	00000
20 × 25	7	50%	3	Carbon-Filled Polyester Plastic	Black	120°	0000000	00000
20 × 30	7	50%	3	Carbon-Filled Polyester Plastic	Black	120°	0000000	00000
24 × 24	7	50%	3	Carbon-Filled Polyester Plastic	Black	120°	0000000	00000
375 g/sq. ft. Carbon Concentration
1" Thick
12 × 12	7	50%	3	Carbon-Filled Polyester Plastic	Black	120°	0000000	00000
12 × 24	7	50%	3	Carbon-Filled Polyester Plastic	Black	120°	00000000	00000
16 × 20	7	50%	3	Carbon-Filled Polyester Plastic	Black	120°	00000000	00000
16 × 25	7	50%	3	Carbon-Filled Polyester Plastic	Black	120°	00000000	00000
20 × 20	7	50%	3	Carbon-Filled Polyester Plastic	Black	120°	00000000	00000
20 × 25	7	50%	3	Carbon-Filled Polyester Plastic	Black	120°	00000000	00000
24 × 24	7	50%	3	Carbon-Filled Polyester Plastic	Black	120°	00000000	00000

Air Curtains

Produce a stream of air down a doorway or other opening to keep out dust, dirt, insects, and fumes while allowing personnel to pass through. These air curtains have wire leads for hardwiring.

Air curtains with HEPA filters trap 99.9% of airborne contaminants as small as .3 microns, including bacteria. MERV-rated pre-filters capture particles as small as 3 microns, including mold spores, pet dander, and cement dust.

Optional door switches turn air curtains on when the door is opened and off when it is closed.

Single-Phase Air Curtains with HEPA Filter and MERV Pre-Filter

For Frame Opening		O'all
Wd.	Ht.	Wd.	Ht.	Dp.	Airflow, cfm	Volume	No. of Motors	Power per Motor, hp	Current, A	Specifications Met	For Use Outdoors	Temp. Range, °F			Each
120V AC
36"	120"	36"	10 5/8"	24 1/8"	1,172	66 dBA @ 10 ft.	1	1/2	5.1	ETL Listed	No	0°	100°	00000000	000000000
42"	120"	42"	10 5/8"	24 1/8"	1,205	66 dBA @ 10 ft.	1	1/2	5.1	ETL Listed	No	0°	100°	0000000	00000000
48"	120"	48"	10 5/8"	24 1/8"	970	66 dBA @ 10 ft.	1	1/2	5.1	ETL Listed	No	0°	100°	00000000	00000000
60"	120"	60"	10 5/8"	24 1/8"	2,295	68 dBA @ 10 ft.	2	1/2	10.2	ETL Listed	No	0°	100°	00000000	00000000
72"	120"	72"	10 5/8"	24 1/8"	2,344	68 dBA @ 10 ft.	2	1/2	10.2	ETL Listed	No	0°	100°	00000000	00000000

Optional Door Switch

000000

Each

0000000

Replacement Filters for Air Curtains with Clean Air Filters

	MERV Pre-Filter		HEPA Filter and MERV Pre-Filter
For O'all Wd.		Each		Each
36"	00000000	0000000	00000000	0000000
42"	00000000	000000	00000000	00000000
48"	00000000	000000	00000000	00000000
60"	00000000	000000	00000000	00000000
72"	00000000	000000	00000000	00000000

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About Air Filter Efficiency Ratings

Strong-Odor-Removal Panel Air Filters

Air Filter Rolls

Odor-Removal Air Filter Pads

Air Curtains