Description
Actual Size: 19.5 x 24.5 x 3.75. Brand: Accumulair. 20x25x4 20x25x4 Top Tech substitute whole house air filters, specifically built to replace the name brand 20x25x4 Top Tech filters. Completely box-formed with no forming or combs required. MERV classified to ASHRAE 52.2 test specs ensuring function to the level of the original brand 20x25x4 Top Tech filter. Photo: The sample air filter image as shown is not the actual dimensions and is shown for design only. Brand names and 20x25x4 Top Tech P/N are listed for filter replacement purposes.