Description
Actual dimensions are 20.75 x 20.63 x 5. Accumulair brand: 20x21x5 Emerson F825-0337 style whole house filters, exactly constructed to be an alternative to the name brand Emerson F825-0337 filters. Completely built so no forming or combs needed. MERV graded to ASHRAE specs establishing performance to the level of the original brand Emerson F825-0337 air filters. Notice: Example filter image shown is not true to size and is displayed for style purposes only. Company names and Emerson F825-0337 P/N are used for filter replacement identification use.