20 × 24 Filters | McMaster-Carr

Filter by

System of Measurement

Thickness

HVAC Filter Trade Size

9 3/8 × 16 1/2

11 3/8 × 17 3/8

23 3/8 × 23 3/8

25 1/2 × 35 1/2

MERV Filter Rating

Filter Type

For Removing

Frame Material

Stainless Steel

Material

Stainless Steel

Construction

Reusable

Filter Efficiency @ 3 Microns

Export Control Classification Number (ECCN)

DFARS Specialty Metals

REACH

RoHS

Air Filter Performance

For Use With

Filter Efficiency @ 1 Microns

Removes Particle Size Down To

Less than 100 μm

Maximum Temperature

Less than 250° F

Support Grill Material

Depth

Specifications Met

Frame Gauge

Carbon Concentration

Filter Efficiency @ 0.3 Microns

How can we improve?

58 Products

Heating, Ventilation, and Air Conditioning

Air Filters

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

Air Filter Frames

Air Filter Frames

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

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)