Description
Actual Size: 19.13 x 19.88 x 4.25. Accumulair brand 19x20x4.5 Carrier FILXXFNC0121 style whole house air filters, specifically built to replace original manufacturer Carrier FILXXFNC0121 filters. Completely assembled - no assembly or combs required. MERV classified to ASHRAE classifications assuring particulate capture as good or better than the OEM Carrier FILXXFNC0121 filters. Photo: The sample filter pic shown is not to scale and is shown for configuration only. Brand names and Carrier FILXXFNC0121 P/N are included for filter style identification purposes.