The HP-100 Dual-flo hand pump is a premium hand pump that is reliable and versatile. For high volume fuel transfer, use the high handle position. The HP-100 generates twice the flow of any other hand pump. for heavier fluids or for easier pumping, use the second stroke setting. in either handle position, expect economical, trouble-free operation. Two piece Telescoping suction pipe, 3/4 in. dia. X 8 ft. (2.44 m) dispensing hose, Pump, Lockable handle liver, Bung aluminum adapter and Anti-Siphon Valve.