head is the oil inlet. (identify the oil outlet)2. The pipe should be inserted into the mailbox when pumping oilThe oil in the fuel tank of the car needs to be pumpedMaterial: rubber1.Item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same.Two flexible PVC transparent pipes suitable and approved for use with petroleum-base.Pure copper interface,petrol ,avoid .For and easy removal of fluids from car radiators and fuel tank.1, single-handedly took on both ends of the pipe, and another hand continuous pinched black suction air bags, tell the wind blow out a head, a head is the oil , and no gas blowing out a0.8cm diameter, 1 meters at one end and 1 meters at one end2. Please forgive 0.5cm-3cm measuring deviation due to manual measurement.1 x Hose Liquid Transfer Manual Silicone Sucker PumpThe rubber - pump generates quick suction to start the siphon.a), of oil , and gasoline will follow the artesian pipe to tank, basic don't need to go straight to knead airbags.3, after step need to be aware that just began to smoke when need a hand to hold the oil , squeezing suction air bag with one hand, such as gas suction inlet pipe full (inlet to airreach most of the car's fuel tank. The pipe is transparent and soft enough to control the flow.)2. Put the inlet into the fuel tank and the into the oil bucket, and control the distance between the pipe and the height difference between the inlet and ; (the pipe is thin enough to1. There is no oil extraction filter net in the oil tankJoint: copperThis siphon pumps lets you quickly and easily transfer fuel,water or other liquids from one container to another.