Description
Actual Dimensions: 19.75 x 24.25 x 4.75. Accumulair brand: 20x25x5 GeneralAire 4501 compatible whole house air filters, specifically constructed to replace OEM GeneralAire 4501 air filters. Completely assembled - no forming or combs needed. MERV graded to ASHRAE 52.2 test classifications establishing performance equal to the original brand GeneralAire 4501 filter. Note: The sample filter image as shown is not to scale and is included to show style purposes. OEM names and GeneralAire 4501 P/N are included for air filter style identification purposes.