Description
Actual size is 20.75 x 20.63 x 5. Brand: Accumulair. 20x21x5 Emerson F825-0337 replacement whole house air filters, specifically designed to replace name brand Emerson F825-0337 filters. Completely box-formed with no assembly or combs needed. MERV rated to ASHRAE 52.2 test specifications assuring operation as good or better than the OEM Emerson F825-0337 filter. Note: The example air filter picture as displayed is not to scale and is shown for style purposes. Brand names and Emerson F825-0337 P/N included for air filter style identification only.