Model 1088 Rev B Spring Operated Tank Blanketing Valve Vacu-Gard; Horizontal Outlet Position, Remote Sensing; Stainless Steel Body, Trim, And Lower Diaphragm Case With Carbon Steel Upper Diaphragm Case, With All Stainless Steel Wetted Parts; Supply Pressure Gauge 0 - 160 PSIG, Tank Gauge 0 - 5 PSIG; 3/4" x 1/2" ASME 150 Threaded Reducing Flange End Connections; 40% Flow Plug; Fluorocarbon Elastomer (FKM) Soft Seats And Seals; 1 - 1.5 PSIG Range Spring; No External Filter