Description
Actual Dimensions: 19.13 x 19.88 x 4.25. Accumulair brand, 19x20x4.5 Carrier FILXXFNC0121 compatible whole house filters, exactly constructed to replace name brand Carrier FILXXFNC0121 filters. Completely assembled with no forming or combs required. MERV rated to ASHRAE standards establishing function as good or better than the name brand Carrier FILXXFNC0121 filters. Note: The example filter picture as shown is not to scale and is there to show design purposes. Name brands and Carrier FILXXFNC0121 identifier are listed for air filter replacement identification.