Description
Actual Dimensions: 15.5 x 19.5 x 3.75. Accumulair brand: 16x20x4 White-Rodgers FR1000M-111 compatible whole house air filters, exactly engineered to be an alternative to the OEM White-Rodgers FR1000M-111 air filters. Completely box-formed so no assembly or combs needed. MERV rated to ASHRAE 52.2 test standards assuring particulate filtration to the level of the OEM White-Rodgers FR1000M-111 filter. Note: Example air filter picture as displayed is not the actual dimensions and is included to show design purposes. OEM names and White-Rodgers FR1000M-111 P/N used for filter style identification purposes.