Description
Actual Dimensions: 19.75 x 19.88 x 4.38. Accumulair brand, 20x20x5 Honeywell F50F1040 replacement whole house filters, specifically designed to substitute for the OEM Honeywell F50F1040 air filters. Fully built - no assembly or combs needed. MERV rated to ASHRAE 52.2 test classifications assuring particle capture equal to the original manufacturer Honeywell F50F1040 filters. Notice: Example filter picture displayed is not true to size and is there to show style purposes. OEM names and Honeywell F50F1040 P/N displayed for air filter replacement identification use.