GFL 10, NMEA 2000 Fluid Level Analog Adapter | West Marine
Tank Adapters: Connect resistive and voltage type fluid level sensors to NMEA 2000
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Amazon.com: For NMEA2000 Starter Kit, ABS IP67 Waterproof for NMEA 2000 Backbone Cables T Connector Power Cable Male Female Resistor 3 Port Adapter for Garmin Networks : Electronics