Model 1000LP Rev A Pressure Reducing Regulator, PTFE/Al-Silicate Gaskets; 1/2" Line Size, Gaseous Jet; Sales Kit B; Stainless Steel Body With Stainless Steel Spring Chamber; S2 Trim: Metal Seat, 316 Stainless Steel Cylinder, 416 Stainless Steel Plug, 302 Stainless Steel Diaphragm; OPT-32: Schedule 80 Plain End Extended Nipples; 1-5 PSIG Range Spring