Model 1000HP Rev A Pressure Reducing Regulator For Standard Service; 1" Line Size, Gaseous Jet; Sales Kit A; Stainless Steel Body With Stainless Steel Spring Chamber; S3N Trim: 316 Stainless Steel Cylinder And Plug With BUNA-N (NBR) Seat, Neoprene (BC) Diaphragm; NPT End Connections;