Description
Actual Dimensions: 20.75 x 20.63 x 5. Accumulair brand: 20x21x5 Electro-Air F825-0337 replacement whole house filters, exactly designed to replace OEM Electro-Air F825-0337 air filters. Fully assembled - no assembly or combs required. MERV rated to ASHRAE grades ensuring function equal to the name brand Electro-Air F825-0337 filters. Note: Sample filter picture as displayed is not true to size and is shown for configuration only. Company names and Electro-Air F825-0337 P/N displayed for air filter style purposes.