Description
Actual size is 19.13 x 19.88 x 4.25. Accumulair brand, 19x20x4.5 Carrier FNCCAB0021 compatible whole house filters, specifically built to replace OEM Carrier FNCCAB0021 air filters. Completely assembled - no forming or combs required. MERV classified to ASHRAE specs ensuring particle filtration to the level of the original manufacturer Carrier FNCCAB0021 filters. Note: The sample air filter picture as shown is not to scale and is shown for style purposes. Brand names and Carrier FNCCAB0021 P/N are included for filter replacement identification only.