This Range Hood Replacement Charcoal 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 Charcoal Filter Replacement Is Universal Part That Can Be Used Across Several Brands; Check To See If Your Model Number Is Compatible. Size: Approximately 11" L X 9-1/2" W. Installing This Accessory Will Require Basic Hand Tools And Novice Repair Experience.