Garmin GFL 10 Fluid Level Adapter New Condition. Specifications for Garmin GFL 10 Fluid Level Adapter: Manufacturer: Garmin Color: Black Features of Garmin GFL 10 Fluid Level Adapter: GFL10 Fluid Level Adpater MFG# 010-11326-00 converts analog fluid sensor level data into NMEA 2000 data for transmission on the NMEA 2000 bus. Included Accessories: GFL10 Fluid Level Adpater Documentation Package Contents: Garmin GFL 10 Fluid Level Adapter Garmin 010-11326-00: GFL 10 Fluid Level Adapter New Condition