Grille size air filters are specially made to fit Metal Aire brand return air grilles. Disposable panel type for furnace and central air systems. Metal grid on both sides gives extra strength. Filters are Class II, UL approved.
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TIPS TO SEARCH FOR YOUR FILTER SIZE
When using our search option to locate your filter size especially for Exact Filters® enter the exact size needed in the format shown here.
No spaces, fractions only 1/8, 1/4, 3/8, 1/2, 5/8, 3/4, 7/8.