2 "Sting-0, 37 is a submersible, positive displacement, screw pump. Biggest advantage is the diameter of the pump. As one of the few has a diameter of 50mm pump. Pump is used to supply holiday homes, plots and special tasks for example in geology. This pump can be supplied from alternative energy sources such as solar cells. Pump equipped with a power cord with a plug. Power supply 230/240V ~ / 50Hz.