Whirlpool Ventilation Accessories Filters W10905733This Range Hood 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, replacing this accessory may alleviate the issue. Installing this accessory will require basic hand tools, some disassembly of the range hood and novice repair experience. You must unplug the hood or shut off the house circuit