Description
Actual Dimensions: 20.75 x 20.63 x 5. Accumulair brand, 20x21x5 Electro-Air F8110321 compatible whole house filters, exactly built to replace the OEM Electro-Air F8110321 filters. Completely assembled so no assembly or combs required. MERV classified to ASHRAE 52.2 test ratings establishing particulate capture to the level of the OEM Electro-Air F8110321 air filter. Notice: The example air filter pic as displayed is not to scale and is shown for design purposes only. Trade names and Electro-Air F8110321 identifier displayed for filter style purposes.