Description
Actual size is 19.13 x 19.88 x 4.25. Accumulair brand: 19x20x4.5 Carrier FILCCFNC0021 replacement whole house air filters, specifically built to substitute for the original brand Carrier FILCCFNC0021 air filters. Completely built with no assembly or combs needed. MERV classified to ASHRAE 52.2 test specifications assuring function to the level of the original brand Carrier FILCCFNC0021 filters. Note: The example air filter pic as shown is not to scale and is included to show design purposes. Trade names and Carrier FILCCFNC0021 identifier included for air filter substitution purposes.