* High Quality Pressure Gauges filled with a unique synthetic silicone liquid * The liquid inside the pressure gauge is UV resistant and will not fade in the presence of the sun *Simple to understand two color dials printed in UV resistant ink for easy viewing *Pressure gauges are tested for accuracy and leakage. * The pressure gauges are designed for applications including, Chemical, Oil Refining, Food Processing plants, Reverse Osmosis, Water Treatment, and many more