Helene M Homestead , FL February 23, 2021 Appliance: Model WHIRLPOOL Microwave filter I never knew my microwave had a filter up top until I accidentally took the top grille off. Boy was it dirty. Looked in Home Depot but they didn’t have it. I’m am so glad I found Appliancepartspros. Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes