Faster and More Efficient Pumping:Upgraded siphon pump hoses with a diameter of 15mm ensure faster and smoother gas pumps. The black siphon built-in one-way stop valve prevents fluid backflow, ensuring a seamless operation. | Portable and User-Friendly:Weighing just 290g, this fuel transfer hand pump is incredibly portable. An arrow on the black siphon bulb indicates the direction of the liquid flow. Simply connect the PVC hoses, insert the upper hose into the fuel tank, and squeeze the bulb a few times to start the flow. | Multi-Use:Siphon pump Ideal for transferring gasoline, oil, diesel, water, and more. Perfect for emergency gas transfers and fish tank water transfer. Not recommended for drinking water or edible oils. | Top-Quality Construction:Equipped with two flexible yet sturdy PVC hoses and an upgraded 15mm nozzle. Four metal clips keep the hoses securely in place, preventing slippage and leaks. Includes a hose clip to hold the hose in position without any spills. | Customer Satisfaction Guaranteed:If you encounter any quality issues with our gas siphon pump, ( man-made damage not included), or parts are missing, please inform us immediately, our sales team will provide you satisfied solution in 24 hours.