... Gauge 1.Stainless Connection 2.Glycerine Fillable,SS Case 40-150MM 3.Competitive Price,Steady Quality with ... Manometer: Pressure Gauge/Manometer SpecificationTemperature Gauge/Thermometer SpecificationSizes of Case:2"/50mm, 2.5"/63mm,3"/75mm, 4 ... 100mm,6"/150mmCase:Stainless Steel 304Stainless Steel 304,Steel case with chromed ringFluid filled:Glycerine,Silicon\Window:Polycarbonate, GlassPolycarbonate ...