DESC: Eliminates costly redo's due to moisture and dirt in the air line First stage centrifugal filter removes oil, water, and dirt down to 5 microns Second stage coalescer filter removes oil aeresols and dirt particles down to .01 microns Third stage uses low-dusting desiccant to trap water vapor Maintenance free first and second stages feature automatic bowl drain, Weight: 35 lbs., Manufacturer: DeVilbiss Auto Refinish Products