Interstate Pneumatics W1180HD-250 - 1/2 Inch Large T Handle Air Regulator 0-250 PSI Made in USA Port Size: 1/2 inch NPT | Body Material: Die Cast Metal Body Maximum Inlet Pressure: 300 PSI | Control Style: T-Handle Delivery Pressure: 0-250 PSI Gauge Port: 1/4 inch NPT (2X) Flow at 100 PSI: 200 SCFM