Shurflo 8000-543-236 1.8 GPM open flow, Viton valves, Santoprene diaphragm, 60 PSI Demand Switch, 3/8" NPT-Female ports, Poly Housing; Voltage 12 VDC. Flow at different pressures Open flow; 1.8 gpm 20 psi; 1.4 gpm 40 psi; 1.14 gpm 60 psi; 1.02 gpm
SHURflo On-Demand Diaphragm Pump Model# 8000-543-236 - B00E5UV0W8