This Range Hood Grease Filter Traps Grease And Particulates 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 An Accessory That Can Be Used Across Several Brands; Check To See If Your Model Number Is Compatible. Size Is Meant For 30" Range Hood And Is 10-1/2" H X 9" W. Replacing This Part Will Require No Disassembly Or Repair Experience.