Model "1000LP" SALES B KIT FOR PRODUCT CODE: FBL-4S17-72D00000A; Pressure Reducing Regulator,Tfe/Al-Silicate Gaskets; 1" Size,Liquid Jet; Wcb Body,Cast Iron Spring Chamber; S1 Trim: Metal Seat,316SST Cylinder & Plug,302SST Diaphragm; Opt-15: Stellited Seat SuRFace (Includes Opt-14: Integral Seat)