Description
Actual dimensions are 20.75 x 20.63 x 5. Accumulair brand, 20x21x5 Comfort Plus F825-0586 style whole house air filters, specifically built to replace original manufacturer Comfort Plus F825-0586 air filters. Completely box-formed so no forming or combs needed. MERV graded to ASHRAE 52.2 test ratings ensuring operation equal to the original manufacturer Comfort Plus F825-0586 filter. Photo: Sample air filter image as shown is not to scale and is shown for configuration purposes only. Company names and Comfort Plus F825-0586 P/N are listed for filter replacement identification purposes.