Description
Actual Dimensions: 20.75 x 20.63 x 5. Accumulair brand 20x21x5 Electro-Air F825-0337 style whole house filters, exactly built to replace name brand Electro-Air F825-0337 filters. Fully box-formed - no assembly or combs required. MERV classified to ASHRAE ratings ensuring performance equal to the original manufacturer Electro-Air F825-0337 filter. Notice: Example filter pic as shown is not the actual dimensions and is shown for configuration only. Trade names and Electro-Air F825-0337 P/N included for filter style purposes.