Strong PE siphon pump, sturdy. Orange part: 1.96in diameter, 21.25in long, 23.6in tube. Transfers 10L/min. For gasoline, kerosene, light oil, diesel, herbicides, toluene, solvents; not for drinking water or corrosive liquids. Insert tube, squeeze pump. To stop: Lift nozzle or turn cap. Good for barrels, camping gear, vehicle liquids.