Shurflo 5059 Diaphragm Pump with 12VDC Motor, with pressure switch.  Open flow rate 20.1 litres per minute, maximum pressure 4 bar.  Current draw 17 Amps.  1/2" BSP Male fittings on both inlet and outlet ports.  Santoprene diaphragms and viton valves for maximum chemical resistance.

Ideal pump for medium size booms, up to 10 metres with low pressure nozzles.