CamAir QC3 Desiccant Filter and Dryer Unit Removes water, oil, and humidity from compressed air. A great choice for light usage such as low volume shops, restorers, customizers, and hobbyists. Three-stage filtering with 0.1 micron rating produces clean, oil- and humidity-free air. High performance filtration with only 2 PSI pressure drop. Quick change filter is easy to maintain. Bowl removal tool included. Larger filter media and longer life desiccant than disposable dryers. Patents Pending 130525