Description
Actual size is 19.5 x 24.5 x 3.75. Accumulair brand: 20x25x4 20x25x4 Top Tech substitute whole house air filters, exactly constructed to substitute for the original brand 20x25x4 Top Tech filters. Fully constructed so no forming or combs required. MERV rated to ASHRAE ratings establishing function equal to the original brand 20x25x4 Top Tech filters. Photo: The example filter picture shown is not the actual dimensions and is displayed for design purposes. Name brands and 20x25x4 Top Tech identifier are included for air filter style identification use.