MERV 3 Air Filters | McMaster-Carr

Filter by

MERV Filter Rating

Not Rated

Color

Blue

System of Measurement

Inch

Thickness

HVAC Filter Trade Size

For Removing

Width

Length

Reusable

Air Filter Performance

Low Efficiency

Material

Plastic Fiber

Construction

Unpleated

Export Control Classification Number (ECCN)

EAR99

Removes Particle Size Down To

Less than 25 μm

Filter Efficiency @ 3 Microns

Form

Filtering Method

Application

Filter Efficiency

Sold As

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

Yes

Performance

Reusable

For Use With

Air

DFARS Specialty Metals

REACH

RoHS

6 Products

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 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	2173K271	0000000


	16 × 20	3	180	UL Classified	25	2173K272	000000
	20 × 20	3	180	UL Classified	25	2173K273	000000
	20 × 25	3	180	UL Classified	25	2173K274	000000
	20 × 30	3	180	UL Classified	25	2173K275	000000
	24 × 24	3	180	UL Classified	25	2173K276	000000