Model 1000LP Rev A Pressure Reducing Regulator, PTFE/Al-Silicate Gaskets; 3/4" Line Size, Gaseous Jet; Sales Kit B; Carbon Steel Body With Carbon Steel Spring Chamber; S36 Trim: 316 Stainless Steel Cylinder And Plug With PTFE Seat, 302 Stainless Steel Diaphragm; OPT-30: Mates With ASME 300 Raised Face Flanges; 1-5 PSIG Range Spring