16x20x4 (3 5/8") Furnace Filter 15 3/8x 19 3/8 x 3 3/4" MERV 11. Case of 4 - MADE IN CANADA by FurnaceFilters.Ca
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Electro-Air MFH‐2025‐4 MERV 11 Rated. Case of 3 = MADE IN CANADA
