Description
Actual size is 19.5 x 19.5 x 3.75. Accumulair brand, 20x20x4 White-Rodgers ACM1600M-108 style whole house filters, specifically engineered to be an alternative to the original brand White-Rodgers ACM1600M-108 filters. Fully box-formed with no forming or combs required. MERV classified to ASHRAE ratings ensuring operation equal to the name brand White-Rodgers ACM1600M-108 air filters. Photo: The example filter pic shown is not to scale and is included to show construction purposes. Brand names and White-Rodgers ACM1600M-108 part numbers shown for filter substitution identification only.