Product Description: 1.This siphon pumps lets you quickly and easily transfer fuel, water or other liquids from one container to another. 2.The rubber squeeze pump generates quick suction to start the siphon. 3. For save and easy removal of fluids from car radiators and fuel tank. 4. Two 100cm long flexible PVC transparent pipes suitable and approved for use with petroleum-base.Pure copper interface, petrol resistant, avoid corrosion. Multi-Use Siphon Hand Pump: Siphon Hand Pump for gasoline, oil, water and other common liquids, ideal for emergency gas transfer.  Easy carry and stored. Gravity Required: 1. The source fluid should be higher 11 inch or more than the target one (The greater the height difference, the better the effect). 2. Connect the hose to both ends of the rubber pump. The black arrow on the rubber pump point to the flow direction. 3. Put the input side of the hose in the source fluid. Use the hose clips to secure the hose, make it won’t flop out or leak fluid. 4. Squeeze the hand pump 3 or 4 times. 5.When the liquid comes close to the rubber pump, place the outlet hose in the target container. 6. When the fluid level is too low at the bottom of the source container, the pressure will not enough to keep fluid flowing naturally, then need to keep squeezing the rubber pump to finish the pumping job. Warm tips: The oil in the fuel tank of the car needs to be pumped 1. There is no oil extraction filter net in the oil tank 2. The pipe should be inserted into the mailbox when pumping oil