Description
Actual size is 20.75 x 20.25 x 5.25. Accumulair brand: 20x20x5 Gibson BB2020 replacement whole house filters, exactly engineered to replace name brand Gibson BB2020 filters. Fully built with no assembly or combs required. MERV rated to ASHRAE 52.2 test ratings assuring particle filtration as good or better than the OEM Gibson BB2020 filters. Notice: The sample filter image shown is not the actual dimensions and is there to show configuration only. Trade names and Gibson BB2020 part numbers displayed for air filter style identification purposes.