Honeywell FC40R-1144 Return Grille Media Filter 20x24x3" (MERV 10)

The Honeywell FC40R1144 Return Air Filter - 20x24 is a replacement air filter that mounts in most return filter grilles. The Honeywell return air grille filter features four inches of depth, which provides a higher efficiency than standard one inch filters. Featuring a MERV 10 rating, this Honeywell grille filter reduces particulates in your air. Honeywell FC40R1144 Return Air Filter - 20x24 specifications: •Depth: 4" •Filter size: 20x24 •Part number FC40R1144 •Captures airborne particles (1) each