FASTER AND EFFICIENT PUMPING - Unlike most liquid traFnsfer pump in the market, the hoses have been upgraded to Dia 15mm, large for faster and easier pumping. The black siphon buld with Build-in one way stop Valve, prevents the backflow of the fluid. | PORTABLE, EASY TO USE - This syphon hand pump weights around 300 g only. It has an arrow on the black siphon buld to show the direction of the liquid. Connecting the PVC Hoses, putting the upper hose into the fuel tank, a few squeezes of the buld will get the flow of liquid started, put the lower hose into the container, and the liquid will flow automatically. The source fluid must be 10 inch or more higher than the receiver. | MULTI-USE MANUAL TRANSFER PUMP - For gasoline, oil, diesel, water and other common liquids, ideal for emergency gas transfer, suits for equipment without anti-theft filter net, such as brush cutter, lawn mover, hedge trimmer, snow blower, motorcycle, scooter, ATV, lawn tractor etc. also suitable for fish tank water transfer. Not to drink water, salt water, edible oil and other chemical liquid. | PREMIUM & DURABLE QUALITY - Rubber hand pump for sinphoning liquid flow faster. With 2 flexible PVC hoses (OD=15mm, ID=11mm). 4 pcs of metal clips fix two hoses tightly, prevent slippage & leakage. An adjustable hose clip to secure the hose standing into the holder without any spilling of liquid. Additional brass nozzle as a weight to sink the hose, or extend to other longer hose when needed. | AFTER-SALES SERVICE - If the hand siphon hose pump you received has any quality issues (excluding man-made damage) or missing parts, please inform us immediately. Our sales team will provide a satisfactory solution within 24 hours.