Features:1. Rubber hand pump that starts siphoning liquid flow quickly. Flexible durable PVC transparent hoses provide easily reach into containers, petrol resistant, avoid corrosion.2. High-flow hoses and large-bore ball pumps are faster at pumping, and the built-in pumpallows you to siphon liquid from one container to another.3. Easy to use: twice - press three times and the petrol flows by itself. Of course, flow direction must be observed and the canister must be higher than the tank. The built-in check valve can effectively prevent the liquid backflow.4. This manual water pump is for fuel petrol gasoline oil water and other common liquids also can be a water changer for the fish tank at your home.5. Lightweight and portable, easy to carry. It can be placed in the trunk of the car without taking up too much space. Notice:1.Actual color may be slightly different from the image due to different monitor and light effect2.Please allow 1-3cm deviation due to manual measurementDescription:Tube inner diameter: 15mm.Outer diameter: 20mm.Hose length: 2 mOpening pressure: 0.2 barWorking pressure range: 0.2-6 barOperating temperature range: -30 C to 130 C.Packing List: 1 x Suction Ball, 1 x Hose, 4 x Valve Clamps, 1 x Control Valve.caution:1. The liquid to be pumped must be higher than the feeding barrel.2. There are mark on the surface of the hand pump. Press and hold the mark in front of the pump.3. The end of the connection must remain in the liquid, not just on the surface.4. In order to drain the oil in the fuel tank of the car, there is no anti-pump filter in the fuel tank, which is only suitable for vehicles without a fuel shield.