PIC Gauges PRO-204L-254S Panel Mount Front Flanged Glycerin Filled Industrial Pressure Gauge w/ SS Case, Brass Internals, Plastic Lens, 2.5" Dial, 0/6000 psi Range, 1/4" Male NPT

PIC Gauge PRO-204L-254S Glycerin Filled Industrial Front Flanged Panel Mount Pressure Gauge with Stainless Steel Case, Brass Internals, Plastic Lens, 2-1/2" Dial Size, 1/4" Male NPT, 0/6000 psi

CARBO Instruments 2 1-2" Pressure Gauge, Stainless Steel Case, Chrome Plated Brass Connection, Lqiuid Filled, 0-6000 psi/kPa, Back Mount 1/4" NPT

SENCTRL 0-30 PSI Glycerin Liquid Filled Low Pressure Gauge, 2.5" Dial Size, 1/4 NPT, Stainless Steel Case, Lower Mount, for Coolant Co2 Water Oil Air Fuel Pressure Test