The Shurflo 4238-121-E07 replaces the old 3901-2214 is a marine grade ignition protected 12v DC automatic pressure pump with 4 diaphragms in Santoprene and the valves in EPDM which make this pump suitable for pumping fresh or salt water, dilute herbicides as well as low concentrations of most weedicide and some insecticide sprays. Supplied with a sealed pressure switch with check valve, thermal overload protection and the ability to run dry without damage, this is a very usefull 12v DC pump. This pump will lift water from 1.8m and has a maximum flow rate of 13.2 litres per minute. Click here to download the pdf spec sheet. Standard with 20mm straight barbed inlet and outlet fittings. Optional 20mm elbow barbed fittings 2967 available. This pump is rated for intermittent duty only. Click here for adaptors.