Model 1088 Rev B Spring Operated Tank Blanketing Valve Vacu-Gard; Vertical Outlet Position, Remote Sensing; Stainless Steel Body, Trim, And Diaphragm Cases; No Pressure Gauges; 1/2" ASME 150 Threaded Flange End Connections; 100% Flow Plug; Fluorocarbon Elastomer (FKM) Soft Seats And Seals; 0.75" - 1.5" wc Range Spring; Stainless Steel External Filter, Cleaned For Oxygen Service Per Cashco Specification S-1134