Description
Actual Dimensions: 19.75 x 19.88 x 4.38. Accumulair brand: 20x20x5 Honeywell F100F1020 compatible whole house filters, exactly constructed to replace the original manufacturer Honeywell F100F1020 air filters. Completely box-formed with no assembly or combs required. MERV rated to ASHRAE 52.2 test standards assuring particulate filtration as good or better than the original brand Honeywell F100F1020 filter. Notice: Example filter picture shown is not true to size and is included to show construction purposes. Company names and Honeywell F100F1020 part numbers are used for air filter replacement purposes only.