Debra M Jacksonville , FL April 13, 2014 Whirlpool over hood fan filter too dirty to clean The fan filter was too dirty to clean. Tenants were in the house 5 years and nothing budged the build-up. I located one on this website and called about the dimensions and ordered it. It was received promptly and fit just right. No tools required. Your website required I identify a tool. I checked "other" but that did not allow the submission so I checked screwdriver. Read More... 3 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes Tools: Screwdrivers