Product advantages: 1. Easily and conveniently placed in the trunk without taking up any additional space, allowing you to travel easily 2. The oil pump is made of high-quality nitrile rubber and aluminum alloy. Rubber hose has excellent oil resistance, diesel resistance and gasoline resistance. 3. The liquid flows by itself, the pressure is moderate, 4. The manual pump can easily inhale or discharge gasoline, diesel, oil, water and other liquids. These siphon pumps are ideal tools to meet various needs. Specification: Material: Rubber and PVC Color: transparent Tube length: 2M or 78.7inch Diameter: 18MM or 0.7inch Thickness: 2MM or 0.08inch Flow rate: 10 liters or minute Working pressure range: 0.2-6 bar Operating temperature range: -30C to 130C. Scope of supply: Suction pumpx1 Hosex1 Check valvex2 Tips: 1. The liquid you are trying to inhale must be higher than the impact barrel. 2. There is an "arrow" mark on the surface of the hand pump. Press and hold the arrow before pumping. 3. The connection end must not only be on the surface inside the liquid.