Description
Actual Dimensions: 20.75 x 20.63 x 5. Accumulair brand: 20x21x5 White-Rodgers ACM1600 compatible whole house filters, specifically built to replace the original manufacturer White-Rodgers ACM1600 air filters. Fully constructed with no assembly or combs required. MERV graded to ASHRAE 52.2 test classifications assuring operation as good or better than the name brand White-Rodgers ACM1600 air filter. Photo: Sample filter image shown is not true to size and is displayed for style purposes only. OEM names and White-Rodgers ACM1600 P/N are shown for filter substitution identification use.