Description
Actual size is 19.75 x 19.88 x 4.38. Accumulair brand: 20x20x5 Honeywell F50F1040 style whole house air filters, specifically designed to be an alternative to the name brand Honeywell F50F1040 filters. Fully assembled so no assembly or combs needed. MERV rated to ASHRAE 52.2 test ratings ensuring operation equal to the OEM Honeywell F50F1040 air filters. Photo: Example filter pic shown is not the actual dimensions and is there to show construction purposes. Brand names and Honeywell F50F1040 P/N are shown for filter style identification only.