PIC Gauge 202L-204K 2" Dial, 0/600 psi Range, 1/4" Male NPT Connection Size, Center Back Mount Glycerine Filled Pressure Gauge with a Stainless Steel Case, Brass Internals, Stainless Steel Bezel, and Polycarbonate Lens Stainless Steel Case and Bezel Brass Internals and Connection Phosphor Bronze Bourdon Tube Liquid Filled Plastic Lens