25 × 48 Filters | McMaster-Carr

Filter by

System of Measurement

Inch

Thickness

1/2"

HVAC Filter Trade Size

Color

For Removing

Construction

Reusable

MERV Filter Rating

Filter Efficiency @ 3 Microns

Maximum Temperature

Surface Treatment

Material

Application

DFARS Specialty Metals

Exempt

Export Control Classification Number (ECCN)

Filtering Method

Length

REACH

RoHS

Sold As

Width

Air Filter Performance

Form

For Use With

Certification

Filter Efficiency

6 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.

Air Filter Performance

Low Efficiency

Extend the life of expensive filters that catch fine particles

2 products

Medium Efficiency

Remove large dust and debris from the air

4 products

Performance

Reusable

Filter, rinse, repeat

4 products

Low-Efficiency Air Filter Media

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 this media to the size you need and attach it to a frame.

Pads

	MERV Filter Rating	Max. Temp., ° F	Certification	Pkg. Qty.		Pkg.
1/2" Thick



	25 × 48	Not Rated	220	UL Classified	1	0000000	000000


	1" Thick



			25 × 48	Not Rated	220	UL Classified	1	0000000	00000

Reusable Air Filter Media

Wash and reuse this media, which collects large dust and debris in your HVAC system. This filter media is rigid enough to be used without a frame. Just cut it to the size you need.

Pads

					Pkg. of 1		Pkg. of 5
	HVAC Filter Trade Size	MERV Filter Rating	Max. Temp., ° F	Specs. Met		Pkg.		Pkg.
1/2" Thick



		25 × 48	5	225	UL 900	00000000	000000	00000000	000000


		1" Thick



				25 × 48	6	225	UL 900	00000000	00000	00000000	000000