Model P1, Rev A, Single Stage Pressure Reducing Regulator; 1/2" Size, Cv=0.20; 316L Stainless Steel Body, 316L Stainless Steel Spring Chamber; 302 Stainless Steel With PTFE Ring Diaphragm, TFE Seat, 316L Stainless Steel Seat Retainer And Poppet, Inconel X-750 Poppet Spring, Port Configuration F; FNPT End Connection; 2-50 PSIG Range Spring; 0-60 PSIG Outlet Gauge; 0-60 PSIG Inlet Gauge; Red Aluminum Knob; Cleaned For Oxygen Service Per Cashco Specification S-1134