Description
Actual Size: 19.75 x 19.88 x 4.38. Accumulair brand, 20x20x5 Honeywell F100F1020 substitute whole house air filters, specifically designed to be an alternative to the original manufacturer Honeywell F100F1020 filters. Fully built - no forming or combs required. MERV classified to ASHRAE standards assuring performance equal to the original brand Honeywell F100F1020 filters. Notice: The example air filter image shown is not to scale and is there to show style purposes. Company names and Honeywell F100F1020 part numbers displayed for filter substitution identification use.