Description
Actual size is 19.75 x 19.88 x 4.38. Accumulair brand 20x20x5 Honeywell F55F1029 substitute whole house air filters, exactly built to be an alternative to the original brand Honeywell F55F1029 filters. Completely built - no forming or combs required. MERV rated to ASHRAE 52.2 test standards establishing particle filtration equal to the original brand Honeywell F55F1029 filters. Notice: Sample filter image as displayed is not to scale and is shown for configuration purposes only. OEM names and Honeywell F55F1029 part numbers are used for filter style identification purposes.