【3 in 1 Manual Siphon Pump】This manual pump has 3 usage functions: suction, delivery, inflation. Can be used to pump and pump gasoline, diesel, etc. or change water in fish tanks; replace the nozzle can inflate bicycles, electric vehicles, balloons, balls; practical manual pump tool. 【Hand Pump】The hand priming pump can easily pump water, gasoline, diesel, oil and other liquids. It is an ideal tool for quickly filling various liquids. You can also use the air nozzles to pump your bicycles, pool toys, balls and tires. 【Quick and Easy to Use】The manual transfer pump kit includes everything you need to transfer liquids, very easy and convenient to use. Pull the handle to fill the pump body with liquid 4 or 5 times, so that the oil transfer pump will automatically siphon later. If the liquid is pumped from the low position to the high position, the handle must be continuously pulled until it reaches the required liquid capacity. 【Wide Application】Fuel Hand Pump can be used to pump fuels