Description
Actual dimensions are 19.75 x 19.88 x 4.38. Brand: Accumulair. 20x20x5 Honeywell F58F1026 replacement whole house air filters, specifically constructed to be an alternative to the original manufacturer Honeywell F58F1026 air filters. Completely box-formed so no assembly or combs needed. MERV graded to ASHRAE 52.2 test specs establishing filtration as good or better than the OEM Honeywell F58F1026 air filter. Note: The example filter image as displayed is not true to size and is there to show configuration purposes only. Trade names and Honeywell F58F1026 P/N are listed for filter substitution identification.