Description
Actual Dimensions: 15.5 x 19.5 x 3.75. Accumulair brand: 16x20x4 White-Rodgers FR1000M-111 substitute whole house filters, exactly engineered to replace the original brand White-Rodgers FR1000M-111 filters. Fully built with no forming or combs needed. MERV classified to ASHRAE specifications ensuring particle filtration equal to the OEM White-Rodgers FR1000M-111 air filter. Notice: The sample air filter image displayed is not true to size and is included to show style only. Trade names and White-Rodgers FR1000M-111 P/N are shown for filter substitution purposes only.