Description
Actual dimensions are 19.88 x 24.88 x 4.38. Accumulair brand 20x25x5 Honeywell FC100A1037 substitute whole house air filters, specifically constructed to substitute for the name brand Honeywell FC100A1037 air filters. Completely box-formed with no forming or combs required. MERV classified to ASHRAE specifications establishing particulate filtration to the level of the original manufacturer Honeywell FC100A1037 filters. Photo: Sample filter image as shown is not the actual dimensions and is included to show construction purposes. Trade names and Honeywell FC100A1037 P/N displayed for filter substitution identification use.