Airbrush Air Flow Regulator (Green Stuff World)Airbrush Air Flow Regulator GSW's Air Flow Regulator with an anti moisture filter provides dry, clean, pressure controlled air by collecting the air's moisture before it reaches the airbrush. Moisture is filtered and condensed in its transparent polycarbonate resin chamber, which can then be disposed of through a valve. Pressure can be adjusted with the comfortable adjustment wheel located at the top, which can then be locked to prevent involuntary