Description
Actual Size: 20.75 x 20.25 x 5.25. Accumulair brand 20x20x5 Five Seasons FSMU2020 substitute whole house air filters, exactly designed to substitute for the original brand Five Seasons FSMU2020 filters. Fully assembled - no forming or combs needed. MERV classified to ASHRAE ratings establishing particle filtration equal to the OEM Five Seasons FSMU2020 air filter. Note: Example air filter pic shown is not to scale and is included to show configuration only. Company names and Five Seasons FSMU2020 identifier are included for filter style identification.