Description
Actual Size: 20.75 x 20.63 x 5. Accumulair brand, 20x21x5 Emerson F825-0586 compatible whole house filters, exactly built to substitute for the original brand Emerson F825-0586 air filters. Fully constructed so no forming or combs required. MERV classified to ASHRAE 52.2 test grades assuring particle filtration as good or better than the name brand Emerson F825-0586 air filters. Photo: The sample filter image shown is not true to size and is displayed for construction purposes. Company names and Emerson F825-0586 identifier are listed for air filter substitution identification.