Airbrush Depot&reg; Brand Airbrush Compressor AIR Regulator with Water-trap Filter, Now Included Is a (Free) How to Airbrush Training Book to Get You Started. True Diaphragm Mini Regulator with Gauge and Water Trap Filter plus a Master Airbrush How To Airbrush Booklet Improve your Airbrushes Performance by using this Regulator for Accurate, Moisture-Free Airflow! MASTER AIRBRUSH Brand. The regulator provides the user full control of operating air pressure Precise Adjustment of Airflow: Regulated air up to 100 PSI (7 Bar) Water Trap Filter: Ensures clean, dry air and has an easy release drain valve