Description
Actual dimensions are 19.75 x 19.88 x 4.38. Brand: Accumulair. 20x20x5 Honeywell F55A1426 style whole house filters, exactly designed to be an alternative to the original brand Honeywell F55A1426 filters. Completely box-formed - no assembly or combs required. MERV graded to ASHRAE 52.2 test specs assuring filtration to the level of the OEM Honeywell F55A1426 filters. Note: Sample filter picture as shown is not the actual dimensions and is there to show construction purposes. Trade names and Honeywell F55A1426 identifier are used for filter substitution identification only.