Model 1078 Rev B Pilot Operated Tank Blanketing Valve Vacu-Gard; 1" Size; Horizontal Outlet Position, Remote Sensing; Stainless Steel Body, Trim, Diaphragm Cases, Fittings, And Tubing; No Supply Pressure Gauge, Tank Pressure Gauge 0 - 5" WC; Threaded 1" FNPT End Connections; 10% Flow Plug; FFKM 2 Soft Seats And Seals; 0.5" - 5.0" WC Range Spring; Stainless Steel External Pilot Filter With Purge Meter