Description
Actual dimensions are 19.75 x 19.88 x 4.38. Accumulair brand: 20x20x5 Honeywell F55A1426 substitute whole house air filters, specifically engineered to be an alternative to the name brand Honeywell F55A1426 air filters. Completely constructed so no forming or combs needed. MERV graded to ASHRAE classifications establishing filtration as good or better than the original manufacturer Honeywell F55A1426 air filter. Photo: Example air filter pic displayed is not to scale and is shown for design only. OEM names and Honeywell F55A1426 identifier are listed for air filter substitution identification.