The Grease Filter is an OEM Replacement Part designed to maintain the cleanliness and efficiency of your GE microwave. This filter measures 7 3/4 inches x 9 1/8 inches and is specifically designed to collect grease particles from the air while cooking. B Causes of a bad grease filter can include regular wear and tear from frequent use, buildup of grease and cooking residues, or physical damage from cleaning or handling. Over time, the filter can become less effective at trapping grease, leading to reduced performance. Symptoms of a bad grease filter include: Noticeable grease buildup on the range hood or microwave surfaces Reduced airflow or ventilation efficiency Visible damage, tears, or holes in the filter Unpleasant odors due to trapped grease and food particles This GE replacement part is also compatible with Hotpoint, RCA, and some Kenmore models.WB6X486 (AP2016554) replaces 2500, AH255242, EA255242, PS255242, WB06X0486, WB06X10125, WB6X10125.