Looking for a reliable siphon pump. This upgraded siphon pump features a 15MM enlarged caliber, perfect for transferring various liquids like gasoline, oil, diesel, and water. It comes with a durable rubber pump bulb and 2 flexible PVC hoses, allowing for fast and efficient fluid transfer. The two metal clips prevent slippage and leakage, while the adjustable hose retainer keeps the hose in place. To use, connect the hoses to the pump bulb, align the black arrow with the fluid flow, put the upper hose in the source tank, squeeze the bulb a few times, and then place the lower hose in the receiver tank. The fluid will flow automatically as long as the source fluid is 11 in. higher than the receiver. This pump is great for emergency liquid transfer and is suitable for medium and small - type equipment without anti - theft filter nets, such as brush cutters and lawn mowers. It's easy to carry, store, and maintain, making your life much more convenient.