Features: Compact size, portable and light weight, easy to install and convenient to use. Made of quality aluminum alloy material, wear resistance and can provide long service time. Oil-water separator(air-filter) is suitable for small pneumatic tools air intake filtration moisture in the air. The paint after paint atomizing not mixed with any moisture inside to make higher paint spraying quality. Equipped with pressure gauge, there are two units for you to read to satisfied with your reading performance. Pressure adjustable design, the adjusting-range is 0-10BAR (British unit of 0-140PSI). Can be used with the sprayer to achieve the display, adjust and control the pressure. 3 colors optional, you can choose black, green, red according to your demands.