Model 1078 Rev B Pilot Operated Tank Blanketing Valve Vacu-Gard; 1" Size; Vertical Outlet Position, Integral Dip-Tube Sensing; Stainless Steel Body And Trim, All Wetted Parts Are Stainless Steel, Epoxy Coated Carbon Steel Upper Diaphragm Case, With Stainless Steel Fittings And Tubing; Supply Pressure Gauge 0 - 100 PSIG, Tank Pressure Gauge 0 - 5" WC; 2" x 1" Class 150 Reducing Flange End Connections; 10% Flow Plug; Fluorocarbon Elastomer (FKM) Soft Seats And Seals; 0.5" - 5.0" WC Range Spring; Stainless Steel External Pilot Filter With Purge Meter