Feature●First stage filtration with a particulate filter will remove water and solid particles down to 40 microns in size●Second stage filtrations with a coalescing filter will remove oil and water particles down to 0.03 micronsDescription .03 Micron Oil Removing Filter. 1-Quart Desiccant Dryer, Metal Bowl, with Sight Glass. 15 SCFM Flow. Includes Ball Valve and Brackets.