The gun pressure regulator is used on the air inlet port of the pneumatic gun, easy to install and remove. The manifold pressure is monitored in real time and the data can be adjusted and read. Use for best spray results. The gun pressure gauge is easy to install and maintain and very convenient. The valve knob can be used to adjust the air pressure according to your needs. Saves power. The adjustment range of the pressure regulator is 0-10 bar (0-150 PSI). With higher sensitivity and good selectivity, it is less prone to failure. The gun pressure gauge is compact, flexible and lightweight. Due to its robust housing and excellent performance, it is not subject to wear or deformation. This tool is an extremely necessary component for measuring air flow. The G1/4" threaded port of the air compressor can be used with the spray gun for display, adjustment and pressure control. Using this spray gun pressure gauge can help you make your work much easier.