Description
Actual Dimensions: 19.13 x 19.88 x 4.25. Accumulair brand, 19x20x4.25 BDP FILCCFNC0021 style whole house air filters, specifically designed to replace the original manufacturer BDP FILCCFNC0021 air filters. Completely assembled so no assembly or combs needed. MERV rated to ASHRAE specifications assuring particulate filtration as good or better than the name brand BDP FILCCFNC0021 filter. Photo: Example air filter picture shown is not true to size and is there to show construction purposes only. Trade names and BDP FILCCFNC0021 part numbers used for air filter substitution identification purposes.