Stainless Steel Gauge Housing is Glycerin Filled for Vibration Control and Extended Life

* AISI 304 Stainless Steel Case

* Bronze Bourdon Tube

* 99.5% Pure Glycerin Filled

* PSI & Bar Dual Scale

* 1/4" NPT Brass Mounting System

* Convex Magnifying  Lens for Easy Reading

* Steel Needle & Peg

* Accuracy +/- 1.5%