Description
Actual Size: 19.13 x 19.88 x 4.25. Accumulair brand: 19x20x4.5 Carrier FILBBFNC0021 replacement whole house filters, specifically constructed to replace the OEM Carrier FILBBFNC0021 air filters. Fully built - no assembly or combs needed. MERV rated to ASHRAE grades assuring particle capture equal to the name brand Carrier FILBBFNC0021 filters. Note: The sample air filter pic shown is not the actual dimensions and is included to show configuration purposes only. Brand names and Carrier FILBBFNC0021 P/N are shown for air filter substitution identification purposes only.