Description
Actual Size: 20.75 x 20.63 x 5. Brand: Accumulair. 20x21x5 Emerson F8110321 substitute whole house filters, specifically constructed to replace name brand Emerson F8110321 filters. Fully built - no assembly or combs required. MERV classified to ASHRAE specifications ensuring performance equal to the name brand Emerson F8110321 filters. Notice: Sample air filter picture displayed is not to scale and is shown for construction purposes. Company names and Emerson F8110321 identifier displayed for air filter style identification use.