MOTONG Hand Siphon Pump Manual Plastic Sucker Pump With Two - 50 x &frac12; Inch Hoses For Gas, Oil, Air, & Other Fluids in Emergency case (Hand Siphon Pump) Siphon Pump Mechanism:Transfer pump works with any low-viscosity fluid to fill or empty engines, tanks and more The intake tube is placed at the bottom of the liquid to be moved and the outgoing tube is fed into the receptacle receiving the liquid. For Emergency case:When you're stuck with an empty tank Siphon Pump enables you to quickly and easily pump the gas from the carry on container to the gas tank. Using condition:Used on lawn tractors, boats, jet skis / PWC, ATVs, snowmobiles, trimmers, chainsaws, generators, leaf blowers, edger's, snow throwers, farm equipment and light commercial equipment and more. How to use:MOTONG hand siphon transfer pump is easy to use. Insert the suction pipe into the sending container and insert the discharge hose into the receiving container or fuel tank. Once inserted squeeze the bulb a few times to start the siphon action. Turn air vent cap clockwise and counter clockwise to tighten and open to start/stop fluid flow. MOTONG Lifetime Warranty and don't worry about the problems once you order the product