High Flow Hand Siphon Pump: With L2m D21mm durable lengthen and thicken clear PVC pipe, oil, high temperature and corrosion resistant makes this pump transfer more quickly, pumps 10L/Min. Easy To Use: Built-in outlet and inlet valve to prevent backflow, extraction directly, liquid outflow in 5 seconds. The arrow indicates flow direction. Multi-function: Lightweight and portable hand transfer pump, ideal for vehicles without anti-theft filter net, such as lawn Mower, brush cutter, hedge trimmer, etc. Wide Usage: This manual water pump is for fuel petrol diesel gasoline oil water and other common liquids, also can be a water changer for fish tank at you home. Note: The fluid you are trying to extract has to be HIGHER than the influent bucket. The fitting end must kept inside of the fluid not just on the surface. Delivery quantity: 1 set Product colour: Transparent Product specification: High flow oil absorber, tube inner hole 15mm, outer diameter 20mm, as shown in the picture Features