Description
Actual Dimensions: 19.75 x 19.88 x 4.38. Accumulair brand: 20x20x5 Honeywell F100F1020 style whole house filters, specifically built to substitute for the original brand Honeywell F100F1020 filters. Fully constructed - no forming or combs required. MERV graded to ASHRAE classifications assuring particulate capture equal to the OEM Honeywell F100F1020 air filter. Notice: Example filter image shown is not true to size and is there to show construction only. Trade names and Honeywell F100F1020 part numbers are included for filter substitution purposes only.