Description
Actual size is 19.13 x 19.88 x 4.25. Accumulair brand 19x20x4.5 Carrier FILXXFNC0021 style whole house air filters, exactly built to replace original brand Carrier FILXXFNC0021 filters. Fully built - no forming or combs required. MERV graded to ASHRAE ratings assuring particulate filtration as good or better than the OEM Carrier FILXXFNC0021 air filter. Photo: Example air filter image displayed is not true to size and is included to show configuration only. Trade names and Carrier FILXXFNC0021 identifier displayed for air filter style identification use.