This manual water pump is for fuel petrol diesel gasoline oil water and other common liquids, also can be a water changer for fish tank at you home. It ideal for various vehicles without anti-theft filter net. A rubber hand pump that quickly starts siphon liquid flow. It comes with flexible durable lengthen and thicken clear PVC pipe, oil, high temperature and corrosion resistant makes this pump transfer more quickly. Built-in outlet and inlet valve to prevent backflow, extraction directly, liquid outflow in 5 seconds. The arrow indicates flow direction. It is for fuel petrol crude oil gasoline oil water and other common liquids.