Flojet model 4300-142 - 45psi 3.5gpm maximum flow, 12VDC 12amps, Demand switch, EPDM valves, Santoprene diaphragm, 1/2" hose barb - plug in ports - Fresh water transfer pump.

Repair parts: Kit Valve Chamber - PF20407-030
Kit Diaphragm - PF20403-040