Description
Actual dimensions are 20.75 x 20.63 x 5. Accumulair brand 20x21x5 Comfort Plus FR1600 compatible whole house filters, exactly engineered to replace the original brand Comfort Plus FR1600 filters. Completely constructed so no forming or combs needed. MERV classified to ASHRAE 52.2 test specs assuring particulate capture equal to the original manufacturer Comfort Plus FR1600 air filters. Note: The example filter picture as displayed is not to scale and is shown for construction purposes. OEM names and Comfort Plus FR1600 identifier shown for air filter substitution identification use.