【High Quality Materials】The siphon hand pump is made of high quality rubber and transparent PVC pipes, which have good toughness and durability as well as high sealing performance, effectively resist high temperature and corrosion and can be used for a long time. 【Package Includes】You will receive two sets of hand fuel pumps, including 2 x rubber balls, 2 x 2m long hoses, 4 x hose clamps and 2 x regulating valves. It is the ideal tool for quickly filling various liquids. 【Unique Design】There are one-way inlet valves and one-way outlet valves on both sides of the hand siphon pump, which form a circulation system, the built-in DC valve absorbs water faster. 【Easy to Use】The manual diesel transfer pump has an indicator arrow that shows the direction of the water outlet. Simply connect the PVC pipe, insert the upper tube into the fuel tank, insert the lower tube into the container and squeeze the rubber ball 5 to 10 times, the liquid will flow out automatically. 【Wide Application】The