Whirlpool W11745049 Smart Low-Profile Microwave and Microwave Hood Combination Grease Filter (9 1/4-IN X 9 1/2-IN)

Model W11745049 Microwave 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.