The GE WB02X11550 is a genuine OEM Charcoal Filter for Microwaves that removes cooking odors from air that circulates through the microwave vent. The WB02X11550 replaces the following part numbers: JX81L, WB02X28929. It is recommended that either the manufacturer of your appliance or the service manual for your appliance be referenced prior to selecting a part for replacment to insure that the correct part is purchased.