Model 1088 Rev B Spring Operated Tank Blanketing Valve Vacu-Gard; Horizontal Outlet Position, Remote Sensing; Stainless Steel Body, Trim, And Diaphragm Cases; Supply Pressure Gauge 0 - 100 PSIG, Tank Gauge 0 - 5 PSIG; 1/2" NPT End Connections; 40% Flow Plug; EPDM Soft Seats And Seals; 1" - 1.5" wc Vacuum Range Spring; Purge Meter, No External Filter