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.