Provides regulated output pressure of 0 PSI to 125 PSI for proper tool operation. Self-relieving design vents downstream airflow for easier adjustment. Locking pressure knob prevents accidental pressure changes. Includes 0 PSI to 150 PSI pressure gauge. 120 SCFM flow capacity at 90 PSI. 3/8 in. NPT female ports. Finish your projects faster and easier with Campbell Hausfeld. The air power expert®