Model DA1 Rev E Pressure Reducing Regulator; 1" Line Size; Sales Kit A; Stainless Steel Body With Stainless Steel Spring Chamber; SL 316L Stainless Steel Trim, GF-TFE Seat, Fluorocarbon Diaphragm, Fluorocarbon Static Seal, PTFE Cap With Fluorocarbon Energizer And GF-TFE Wiper Dynamic Seal