Description
Actual dimensions are 20.75 x 20.63 x 5. Accumulair brand, 20x21x5 Electro-Air SST 16C28S-010 substitute whole house filters, exactly designed to substitute for the original manufacturer Electro-Air SST 16C28S-010 filters. Completely built so no forming or combs required. MERV classified to ASHRAE ratings assuring operation as good or better than the original brand Electro-Air SST 16C28S-010 filter. Photo: The example air filter image as shown is not true to size and is there to show construction purposes. OEM names and Electro-Air SST 16C28S-010 part numbers are used for air filter style identification purposes only.