This Range Hood Replacement Mesh Filter Traps Grease From The Exhaust Air Of Your Oven To Prevent It From Entering The Blower And Vent, Potentially Causing Build-Up And Damage. If Your Current Filter Is No Longer Functioning Properly, You Should Replace It Promptly With This Item. This Mesh Filter Replacement Is A Universal Part That Can Be Used Across Several Brands; Check To See If Your Model Number Is Compatible. Size: 12-7/9" L X 10-1/4" W. Sold As A Set Of (3) Filters. Installing This Accessory Will Require Basic Hand Tools, Some Disassembly Of The Range Hood And Novice Repair Experience.