Description
Actual Size: 15.5 x 19.5 x 3.75. Accumulair brand, 16x20x4 16x20x4 Top Tech replacement whole house filters, specifically designed to substitute for the OEM 16x20x4 Top Tech air filters. Completely built so no forming or combs needed. MERV classified to ASHRAE grades establishing particulate capture to the level of the original brand 16x20x4 Top Tech filters. Notice: Example filter pic displayed is not to scale and is displayed for design only. Trade names and 16x20x4 Top Tech identifier are shown for air filter style purposes only.