Fangrui Product Details [multifunctional Liquid Siphon] Siphon Pump Easily Transfers Liquids Between Different Containers, Suitable For Liquids Such As Fuel, Gas, Gasoline, Water, Etc. Say Goodbye To Starting The Siphoning Process With Your Mouth Or Lifting Heavy Tanks. [siphon Pump For Gasoline] The Siphon Pump Consists Of A 1/2inch Copper Valve Head And A Pvc Hose. The Valve And Tube Are Reinforced With A Hose Clamp And Are Not Easy To Fall Off. [siphon Pump For Water] The Gas Siphon Is Easy To Cut As Your Needs. There Is A Glass Valve Inside The Brass Head To Ensure One-way Transfer. Fast Transfer Speeds, Delivering Up To 3.5 Gallons Per Minute. [fuel Siphon Pump] During The Siphoning Process, It Is Necessary To Ensure That The Liquid Level At The Suction End Is Higher Than The Discharge End, Otherwise The Siphoning Process Will Be Terminated. Not Recommended For Drinking Liquid Transfer. [shaker Siphon Tube] Shake The Copper Valve Up And Down ( Not Right Left) To Fill The Hose With Liquid To Achieve Self-priming Sta