Attribute Value HIGH FLOW HAND SIPHONE 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.