Description
Actual size is 19.88 x 24.88 x 4.38. Brand: Accumulair. 20x25x5 GeneralAire 4356 style whole house filters, exactly built to replace OEM GeneralAire 4356 air filters. Fully built - no forming or combs needed. MERV rated to ASHRAE 52.2 test specifications establishing particulate capture to the level of the original manufacturer GeneralAire 4356 filters. Notice: The example air filter image shown is not to scale and is included to show configuration only. OEM names and GeneralAire 4356 part numbers included for air filter substitution identification.