Description
Actual Dimensions: 20.75 x 20.63 x 5. Brand: Accumulair. 20x21x5 Emerson F8110321 compatible whole house filters, exactly engineered to replace the original brand Emerson F8110321 filters. Fully assembled so no forming or combs needed. MERV classified to ASHRAE specifications establishing performance as good or better than the original brand Emerson F8110321 air filter. Photo: The sample filter picture shown is not true to size and is displayed for configuration only. Name brands and Emerson F8110321 identifier included for filter style purposes only.