Description
Actual size is 20.75 x 20.63 x 5. Accumulair brand: 20x21x5 Electro-Air F825-0586 replacement whole house air filters, specifically constructed to replace the original manufacturer Electro-Air F825-0586 filters. Fully box-formed so no forming or combs needed. MERV classified to ASHRAE 52.2 test grades ensuring performance equal to the OEM Electro-Air F825-0586 filter. Note: Example filter pic as shown is not the actual dimensions and is included to show construction only. Brand names and Electro-Air F825-0586 identifier are listed for filter style identification.