Features and Benefits: * Advanced air drying technology for shop use * Lightweight, easy to install, and simple-to-operate * Maintains -40 degree F dew point while achieving 0% compressed air humidity * Removes oil and sub-micron particles down to .01 micron Stage 1 filter provides removal of water and contaminants down to 5 micron. Stage 2 coalescer provides removal of oil and sub-microns particles down to .01 microns; Stage 3 membrane dryer is maintenance free, no regeneration required.