Description
Actual Size: 19.13 x 19.88 x 4.25. Accumulair brand: 19x20x4.5 Carrier FNCCAB0021 compatible whole house air filters, exactly engineered to replace the original manufacturer Carrier FNCCAB0021 air filters. Completely assembled so no assembly or combs needed. MERV rated to ASHRAE 52.2 test specifications assuring performance to the level of the name brand Carrier FNCCAB0021 air filters. Photo: The sample filter pic as displayed is not true to size and is included to show configuration purposes only. Name brands and Carrier FNCCAB0021 part numbers included for filter replacement identification purposes only.