? Eliminates costly redo?s due to moisture and dirt in the air line - three stage drying and filtering system ? 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 ? 25 CFM capacity ? Maintenance free first and second stages feature automatic bowl drain ? Eliminates guesswork - filter change indicators for coalescer and desiccant ? Includes wall mount bracket