Check the listing for details. Co2 Air Shifter Compact Mini Aluminum Fixed Regulator 100 PSI. Condition: New. Listed at 44.95 USD. Co2 SHIFTER Regulator - Compact, lightweight anodized aluminum Fixed Flow Single Gauge Co2 Shifter Regulator, 100PSI Racing, Drag cars, Drag Bikes and more! You are viewing a brand new, aluminum black body, high flow, non-freezing CO2 regulator, static 100PSI single gauge regulator for use with Co2 shifters and many other applications. - Machined anodized aluminum regulator body - CGA320 connection connects to Co2 Valve, One Extra High Pressure 1/4" F.NPT Port for possible accessories - 180 degrees - Preset at 100PSI outlet from TWO 1/8" F. NPT ports - 180 degrees. Use one, plug one, add gauge - your choice. - Easy field adjustable 0-400PSI with "PSI LOCK" pressure adjuster. Warning CA Proposition 65: YES WARNING CA PROPOSITION 65 MESSAGE: WARNING: CANCER AND REPRODUCTIVE HARM www.P65Warnings.ca.gov