PIC Gauge 203L-158A 1.5" Dial, 30"/0 hg Vacuum psi Range, 1/8" Male NPT Connection Size, U-Clamp Panel Mount Glycerine Filled Pressure Gauge with a Stainless Steel Case, Brass Internals, Stainless Steel Bezel, and Polycarbonate Lens U-Clamp Panel Mount Design Stainless Steel Case and Bezel Brass Internals and Connection Phosphor Bronze Bourdon Tube Liquid Filled