Description
Actual size is 20.75 x 20.63 x 5. Accumulair brand 20x21x5 Electro-Air SST 16C28S-010 substitute whole house air filters, exactly built to replace original brand Electro-Air SST 16C28S-010 air filters. Completely constructed so no forming or combs required. MERV rated to ASHRAE grades establishing particle filtration equal to the name brand Electro-Air SST 16C28S-010 air filter. Photo: Example air filter picture as shown is not the actual dimensions and is included to show style only. OEM names and Electro-Air SST 16C28S-010 P/N used for air filter substitution identification.