Fuel Level Sensors, Level Switch manufacturer / supplier in China, offering Nitrile-Butadiene Rubber) Buna/Stainless Steel/PP Magnetic Float, NPT 1" NPT2′′ NPT1.5′′ Thread Liquid Water Fuel Oil Genset Diesel Bio-Diesel Holding Tank Level Alarm Switch with NBR Float, 200-2000mm Cuttable & Calibratable Capacitive Sensor, 0-5V Output, Threaded Mount and so on.