Description
Actual size is 19.13 x 19.88 x 4.25. Accumulair brand, 19x20x4.25 Day and Night FILCCFNC0021 substitute whole house filters, specifically built to be an alternative to the OEM Day and Night FILCCFNC0021 filters. Fully constructed with no assembly or combs needed. MERV rated to ASHRAE 52.2 test standards assuring operation equal to the OEM Day and Night FILCCFNC0021 filter. Photo: Sample filter image as displayed is not the actual dimensions and is displayed for style only. OEM names and Day and Night FILCCFNC0021 part numbers are used for filter style identification.