PneumaticPlus LFSB25-200 Liquid Filled Pressure Gauge WOG- 1/4" NPT Back Mount - 2-1/2" Dial - 0 to 200 PSI Pressure Range: 0 - 200 PSI Dial Size: 2-1/2" (2.5") Dual Scale PSI/Bar, Stainless Steel Case & Bezel Brass Internals & 1/4" NPT Back Mount Connection Phosphor Bronze Bourdon Tube