This Shurflo model features a 12 volts 1.8 gallons per minute flow rate @ 100 p.s.i. Viton Valves Santoprene Diaphragm Self priming up to 10 feet vertically. Pressure switch factory set @ 100 psi 3/8" NPT Female Ports. Comes with a 1 year, unlimited mile, warranty. All pumps will come with a 2 pin deutsch connector pre wired and 1/4 barb fittings installed.
 
This pump is not cheap because its not cheap. It has been tested and abused all over the world. From 12°f  winters in Utah, the thick clay mud in Uganda, to 120°f days in Death Valley it keeps on ticking.