Regulates air pressure at the outlet from 0 PSI to 150 PSI for proper use of air tools. Vented design for releasing excess pressure and facilitating air flow adjustment. Lockable knob to prevent accidental pressure changes. Includes a pressure gauge calibrated from 0 PSI to 150 PSI. Flow capacity of 8 cfm. at 90 PSI. 1/4 inch NPT female inlet ports.
