Description
Actual dimensions are 19.5 x 19.5 x 3.75. Brand: Accumulair. 20x20x4 White-Rodgers FR1600M-111 replacement whole house air filters, exactly designed to substitute for the original manufacturer White-Rodgers FR1600M-111 filters. Completely constructed with no assembly or combs needed. MERV classified to ASHRAE 52.2 test classifications establishing function to the level of the original brand White-Rodgers FR1600M-111 filters. Photo: Example filter pic as displayed is not true to size and is displayed for design purposes. Brand names and White-Rodgers FR1600M-111 part numbers used for filter style purposes only.