Description
Actual dimensions are 20.75 x 20.63 x 5. Accumulair brand: 20x21x5 Electro-Air F825-0586 replacement whole house air filters, exactly built to be an alternative to the original manufacturer Electro-Air F825-0586 filters. Completely built - no assembly or combs required. MERV rated to ASHRAE 52.2 test classifications ensuring particle filtration as good or better than the original brand Electro-Air F825-0586 air filter. Note: The example filter pic shown is not to scale and is displayed for construction only. OEM names and Electro-Air F825-0586 P/N shown for filter replacement identification use.