Description Perfect for paint booths and prep stations. Removes dirt, water and oil. Patented ?Inverse Flow(tm)?design. Patented activated carbon first stage removes oil to 0.003 ppm. 2nd stage final filtration to 0.01 micron at 99.99998% efficiency. Automatic drain on first stage, manual petcock drain on second stage. Pressure regulator and gauge standard. Maximum flow up to 60 scfm. Maximum inlet air pressure, 140 PSI. Maximum operating temperature, 125