Actual Dimensions: 19.13 x 19.88 x 4.25. Brand: Accumulair. 19x20x4.25 BDP FILBBFNC0021 replacement whole house filters, specifically designed to substitute for the original brand BDP FILBBFNC0021 air filters. Completely box-formed so no assembly or combs needed. MERV rated to ASHRAE 52.2 test classifications assuring performance to the level of the original brand BDP FILBBFNC0021 air filter. Photo: The sample filter image displayed is not the actual dimensions and is there to show configuration purposes. Brand names and BDP FILBBFNC0021 P/N shown for air filter style identification use. Database and specifications last updated on 03/29/2020.
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