1" Size Model 1078 Pilot Operated Vacu-Gard; Vertical Outlet Position,; 316 / 316l SST Dual Marked Body With 316 SST Trim,;Carbon Steel Diaphragm Cases, With SST Fittings And SST Tubing;Standard Steel Gauges When Required; No Gauges; Special End Connections; 50% Flow Plug; Ffkm 1 Soft Seats & Seals; 0.5" - 5.0" Wc Range Spring; SST External Pilot Filter; Rev Level B