Model P2 Rev A Single Stage Cylinder Gas Pressure Reducing Regulator; 1/4" Line Size, Cv=0.20; Stainless Steel Body With Stainless Steel Spring Chamber; 302 Stainless Steel Diaphragm With PTFE Gasket, PCTFE Seat, 316L Stainless Steel Seat Retainer And Poppet, Inconel X-750 Poppet Spring; Port Configuration M; NPT Inlet Connections; 2-100 PSIG Range Spring; 0-160 PSIG Outlet Gauge; No Inlet Gauge