Description
Actual size is 19.88 x 24.88 x 4.38. Accumulair brand 20x25x5 Honeywell F100F2051 style whole house air filters, exactly constructed to substitute for the OEM Honeywell F100F2051 filters. Fully assembled with no assembly or combs required. MERV classified to ASHRAE 52.2 test standards establishing particulate filtration as good or better than the original brand Honeywell F100F2051 filters. Photo: The sample air filter pic displayed is not the actual dimensions and is shown for configuration purposes. Trade names and Honeywell F100F2051 part numbers are included for filter replacement identification use.