Description
Actual dimensions are 16.25 x 21 x 5. Accumulair brand 16x21x5 Emerson FR1000 substitute whole house air filters, exactly built to be an alternative to the name brand Emerson FR1000 filters. Completely constructed so no assembly or combs required. MERV rated to ASHRAE 52.2 test grades ensuring filtration to the level of the OEM Emerson FR1000 filters. Notice: Example filter image as displayed is not to scale and is shown for style purposes. OEM names and Emerson FR1000 identifier are listed for filter replacement identification purposes.