This Range Hood Grease 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 Can No Longer Be Cleaned And Is Not Functioning Properly, You Should Replace It Promptly With This Item. This Aluminum Mesh Filter Is A Universal Accessory That Can Be Used Across Several Brands; Check To See If Your Model Number Is Compatible. Size: Approx. 18" L X 12" W. Replacing This Part Will Require No Disassembly Or Repair Experience.