Description
Actual Size: 19.75 x 24.25 x 4.75. Brand: Accumulair. 20x25x5 GeneralAire 4501 substitute whole house air filters, specifically engineered to substitute for the original manufacturer GeneralAire 4501 air filters. Completely constructed so no assembly or combs required. MERV classified to ASHRAE specs establishing particle filtration as good or better than the original brand GeneralAire 4501 filter. Notice: The sample filter picture displayed is not true to size and is included to show style only. OEM names and GeneralAire 4501 identifier are shown for filter style identification purposes only.