Synthetic Fiber Filters | McMaster-Carr

Filter by

System of Measurement

Inch

Thickness

HVAC Filter Trade Size

Filter Type

MERV Filter Rating

Color

For Removing

Material

Copper/Polyester Fabric

Cotton

Cotton/Polyester Fabric

Hemp/Polyester Fabric

Muslin Cheesecloth Fabric

Cellulose/Polyester Fabric

Glass-Filled Polypropylene

Polyester/Polyethylene

Polyester/Polypropylene

Polyester/Rayon Fabric

Polyethylene

Polyethylene Fabric

Polyethylene Foam

Polyethylene/Polypropylene

Polyester/Wool Fabric

Construction

Frame Material

Filter Efficiency @ 3 Microns

20%

70%

Reusable

Yes

Air Filter Performance

Low Efficiency

Medium Efficiency

Export Control Classification Number (ECCN)

EAR99

Removes Particle Size Down To

Maximum Temperature

Application

For Use With

Filtering Method

Performance

DFARS Specialty Metals

REACH

RoHS

Filter Efficiency

Filter Efficiency @ 1 Microns

Certification

59 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.

Mildew-Resistant Pleated Panel Air Filters

An antimicrobial compound inhibits mildew and mold from growing on your filter. Pleats create a large surface area for filtering without reducing airflow.

Cannot Be Sold To—Product registration requirements restrict sales to the listed areas.

						Small Pack			Large Pack
	HVAC Filter Trade Size	MERV Filter Rating	Cannot Be Sold To	Max. Temp., ° F	Specs. Met	Pkg. Qty.		Pkg.	Pkg. Qty.		Pkg.
1" Thick



		12 × 24	8	Canada	150	UL 900	1	00000000	000000	12	00000000	000000


		14 × 25	8	Canada	150	UL 900	1	00000000	00000	12	00000000	000000
		15 × 20	8	Canada	150	UL 900	1	00000000	00000	12	00000000	000000
		16 × 20	8	Canada	150	UL 900	1	00000000	00000	12	00000000	00000
		16 × 25	8	Canada	150	UL 900	1	00000000	00000	12	00000000	000000
		18 × 24	8	Canada	150	UL 900	1	00000000	00000	12	00000000	000000
		20 × 20	8	Canada	150	UL 900	1	00000000	00000	12	00000000	000000
		20 × 25	8	Canada	150	UL 900	1	00000000	0000	12	00000000	000000
		24 × 24	8	Canada	150	UL 900	1	00000000	00000	12	00000000	000000


		2" Thick



				12 × 24	8	Canada	150	UL 900	1	00000000	00000	12	00000000	000000


				14 × 25	8	Canada	150	UL 900	1	00000000	00000	12	00000000	000000
				15 × 20	8	Canada	150	UL 900	1	00000000	00000	12	00000000	000000
				16 × 20	8	Canada	150	UL 900	1	00000000	00000	12	00000000	000000
				16 × 25	8	Canada	150	UL 900	1	00000000	00000	12	00000000	000000
				18 × 24	8	Canada	150	UL 900	1	00000000	00000	12	00000000	000000
				20 × 20	8	Canada	150	UL 900	1	00000000	00000	12	00000000	000000
				20 × 24	8	Canada	150	UL 900	1	00000000	00000	12	00000000	000000
				20 × 25	8	Canada	150	UL 900	1	00000000	00000	12	00000000	000000
				24 × 24	8	Canada	150	UL 900	1	00000000	00000	12	00000000	000000


				4" Thick



						12 × 24	8	Canada	150	UL 900	1	00000000	00000	6	00000000	000000


						16 × 20	8	Canada	150	UL 900	1	00000000	00000	6	00000000	000000
						16 × 25	8	Canada	150	UL 900	1	00000000	00000	6	00000000	000000
						20 × 25	8	Canada	150	UL 900	1	00000000	00000	6	00000000	000000
						24 × 24	8	Canada	150	UL 900	1	00000000	00000	6	00000000	000000

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.

Plastic Fiber Rolls

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

Collect high volumes of dust, even in poor weather, such as rain, snow, and wind. This material is also known as hog hair.

					30 ft. Long
	Wd.	MERV Filter Rating	Max. Temp., ° F	Certification		Each
1" Thick



		16"	Not Rated	180	UL Classified	00000000	0000000


		20"	Not Rated	180	UL Classified	00000000	000000
		25"	Not Rated	180	UL Classified	00000000	000000
		30"	Not Rated	180	UL Classified	00000000	000000
		36"	Not Rated	180	UL Classified	00000000	000000

Plastic Fiber Pads

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

Collect high volumes of dust, even in poor weather, such as rain, snow, and wind. This material is also known as hog hair.

	MERV Filter Rating	Max. Temp., ° F	Certification	Pkg. Qty.		Pkg.
1" Thick



	12 × 24	3	180	UL Classified	25	00000000	0000000


	16 × 20	3	180	UL Classified	25	00000000	000000
	20 × 20	3	180	UL Classified	25	00000000	000000
	20 × 25	3	180	UL Classified	25	00000000	000000
	20 × 30	3	180	UL Classified	25	00000000	000000
	24 × 24	3	180	UL Classified	25	00000000	000000