Description
Actual dimensions are 21.25 x 27.25 x 4.38. Accumulair brand 21.5x27.5x5 Honeywell F27F1057 substitute whole house air filters, exactly engineered to replace the OEM Honeywell F27F1057 filters. Fully constructed - no assembly or combs needed. MERV classified to ASHRAE 52.2 test ratings assuring particle filtration as good or better than the original manufacturer Honeywell F27F1057 filter. Photo: The example filter image as displayed is not to scale and is there to show configuration purposes. Brand names and Honeywell F27F1057 identifier displayed for filter substitution identification.