3 in 1 Manual Siphon Pump: This manual pump has 3 usage functions: suction, discharge and inflation. Can be used to pump gasoline, diesel, etc. Or replace the water in the fish tank, replace the nozzle to inflate bicycles, electric vehicles, balloons and balloons, a practical manual pump tool. 【Manual Pump】 The manual oil suction 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 nozzle to inflate bicycles, pool toys, balls and tires. 【Quick and Easy to Use】 The manual transfer pump kit includes everything you need to transfer liquids, making it very simple and convenient to use. Pull the handle to fill the pump body with liquid 4-5 times, so that the oil transfer pump will automatically siphon later. If the liquid is pumped from a low level to a high level, the handle must be pulled continuously until the required liquid volume is reached. Wide application: The manual fuel pump can be