Description
Actual size is 20.75 x 20.63 x 5. Accumulair brand, 20x21x5 Emerson FR1600 compatible whole house air filters, specifically engineered to be an alternative to the original manufacturer Emerson FR1600 air filters. Completely built so no forming or combs needed. MERV classified to ASHRAE 52.2 test grades establishing particulate filtration as good or better than the original manufacturer Emerson FR1600 air filter. Notice: Sample filter picture shown is not the actual dimensions and is shown for construction only. Trade names and Emerson FR1600 part numbers displayed for air filter replacement identification only.