The 4300-504 Flojet quad pump produces a maximum flow of 18.5 L/min and is fitted with an automatic pressure switch that is set at 315 kPa (45 psi). It comes with 20mm hose barb Viton inlet and outlet ports and has Santoprene diaphragms and Viton check valves so it is suitable for use as an ag chemical spray, chemical transfer or high flow water pressure pump. This is a great pump for ag chemicals, as a pressure water supply to a mobile home, boat or weekender as it has a maximum amps draw of 13 Amps. This pump will operate at 16 L/min @ 70 kPa, 15 L/min @ 140 kPa, 12 L/min @ 200 kPa and, 11 L/min @ 280 kPa. Do not use with petrol or any other liquid fuel. Click here to download the pdf spec sheet.