25 × 25 Filters | McMaster-Carr

Filter by

HVAC Filter Trade Size

System of Measurement

Inch

Thickness

Filter Type

Frame Material

MERV Filter Rating

For Removing

For Use With

Material

Polyester/Polyethylene

Steel

Air Filter Performance

Maximum Temperature

Reusable

Construction

DFARS Specialty Metals

Exempt

Export Control Classification Number (ECCN)

REACH

RoHS

Specifications Met

Removes Particle Size Down To

Less than 100 μm

Filter Efficiency @ 3 Microns

20%

73%

Certification

UL Classified

Filter Efficiency @ 1 Microns

44%

Support Grill Material

Steel

For Filter Thickness

Frame Gauge

Frame Finish

Galvanized

Forward

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12 Products

Heating, Ventilation, and Air Conditioning

Air Filters

Trap dust and debris in HVAC, exhaust, and electronics systems to improve efficiency and air quality

8 products

Air Filter Frames

Hold panel filters as well as filter rolls and pads in place in HVAC systems

4 products