Description
Actual Size: 15.5 x 19.5 x 3.75. Accumulair brand: 16x20x4 16x20x4 Top Tech compatible whole house filters, specifically constructed to replace name brand 16x20x4 Top Tech air filters. Fully constructed - no assembly or combs needed. MERV rated to ASHRAE 52.2 test classifications establishing particle capture as good or better than the original brand 16x20x4 Top Tech air filters. Note: The sample filter picture shown is not to scale and is included to show design purposes. Trade names and 16x20x4 Top Tech P/N are listed for air filter replacement purposes.