Model 1000LP Rev A Pressure Reducing Regulator, PTFE/Al-Silicate Gaskets; 1/2" Line Size, Liquid Jet; Sales Kit A; Carbon Steel Body With Carbon Steel Spring Chamber; S1 Trim: Metal Seat, 316 Stainless Steel Cylinder And Plug, 302 Stainless Steel Diaphragm; NPT End Connections; 12-30 PSIG Range Spring