Description
Actual Dimensions: 19.75 x 19.88 x 4.38. Accumulair brand: 20x20x5 Honeywell F25F1018 compatible whole house filters, exactly built to replace original manufacturer Honeywell F25F1018 filters. Fully assembled with no assembly or combs needed. MERV rated to ASHRAE 52.2 test standards ensuring filtration to the level of the original brand Honeywell F25F1018 air filter. Photo: The example filter pic as shown is not to scale and is included to show design only. Trade names and Honeywell F25F1018 identifier are listed for filter style identification.