Description
Actual dimensions are 19.5 x 19.5 x 3.75. Accumulair brand: 20x20x4 White-Rodgers FR1600-100 replacement whole house filters, specifically engineered to replace the OEM White-Rodgers FR1600-100 air filters. Completely built so no forming or combs needed. MERV graded to ASHRAE specifications ensuring particulate filtration to the level of the name brand White-Rodgers FR1600-100 filters. Note: The example air filter image as shown is not to scale and is displayed for configuration only. Brand names and White-Rodgers FR1600-100 identifier are shown for filter replacement identification use.