【EASY TO ADJUST PRESSURE】: Special pressure regulator for spray gun, precise and durable, small and lightweight, stable real-time pressure monitor to achieve the best painting effect. Standard 1/4 thread fits most sprayers and airlines. 【EASY TO INSTALL AND MAINTAIN】: Air pressure regulator. Includes condensation relief valve. Compact, flexible and lightweight adjustment, very convenient. Prevents water from the air paint or compressor from contaminating the paint. 【CLEAR DIAL AND KNOB ADJUSTMENT】: The dial can display the pressure value clearly and accurately, and you can adjust the pressure by the button. Rotate clockwise to increase the air pressure; rotate counterclockwise to decrease the air pressure, and adjust to the desired position. 【AIR FILTER & 【MOISTURIZATION】: The filter is used to connect the air inlet of the pneumatic tool or air hose and is used to filter moisture from the air. The copper filter element has a good filtering effect, and the transparent cup is suitable