Description
Actual dimensions are 19.75 x 24.25 x 4.75. Accumulair brand 20x25x5 GeneralAire 4001 compatible whole house air filters, specifically built to be an alternative to the name brand GeneralAire 4001 air filters. Completely assembled so no forming or combs needed. MERV graded to ASHRAE grades establishing particle capture to the level of the OEM GeneralAire 4001 air filter. Notice: Example filter pic as shown is not to scale and is there to show construction only. Brand names and GeneralAire 4001 identifier included for air filter replacement purposes.