Actual size is 12.13 x 19.88 x 4.25. Accumulair brand: 12x20x4.5 Carrier FILXXFNC0114 style whole house air filters, exactly constructed to be an alternative to the OEM Carrier FILXXFNC0114 filters. Fully constructed with no forming or combs needed. MERV classified to ASHRAE specifications ensuring function to the level of the original brand Carrier FILXXFNC0114 filter. Photo: Example air filter picture as displayed is not to scale and is there to show style purposes. Company names and Carrier FILXXFNC0114 identifier used for filter replacement identification only.
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