Description
Actual dimensions are 20.75 x 20.63 x 5. Accumulair brand, 20x21x5 Emerson F825-0586 substitute whole house air filters, exactly designed to be an alternative to the OEM Emerson F825-0586 air filters. Completely built so no forming or combs required. MERV classified to ASHRAE 52.2 test specs ensuring particulate filtration as good or better than the name brand Emerson F825-0586 filters. Photo: Example filter image shown is not the actual dimensions and is shown for style purposes. Company names and Emerson F825-0586 identifier used for air filter substitution identification purposes only.