PIC Gauge PRO-201L-254J Glycerin Filled Industrial Bottom Mount Pressure Gauge with Stainless Steel Case, Brass Internals, Plastic Lens, 2-1/2" Dial Size, 1/4" Male NPT, 0/500 psi Stainless Steel Case and Bezel Brass Internals and Connection (with built in snubber) Phosphor Bronze Bourdon Tube Liquid Filled Plastic Lens