Description
Actual size is 20.75 x 20.25 x 5.25. Accumulair brand: 20x20x5 Five Seasons 9183960 replacement whole house air filters, specifically designed to replace OEM Five Seasons 9183960 air filters. Fully box-formed so no forming or combs needed. MERV classified to ASHRAE specifications establishing filtration to the level of the OEM Five Seasons 9183960 filters. Photo: The sample filter image shown is not to scale and is there to show design purposes only. OEM names and Five Seasons 9183960 identifier are listed for filter style identification purposes.