Trevor P Tampa , FL October 25, 2015 Appliance: Whirlpool 1.8 Cu Ft Microwave GH4184XSB1 Whirlpool Microwave Gh4184xsb1: Filters needed replacement and grill vent retaining clips were broken. How to replace Grease Range Hood Microwave Filter 6-1/2" X 12-3/16" X 3/32". Installed replacement parts. No tools required. Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes