SÜA Propane Propylene Regulator Welding Gas Gauges - Compatible with Harris

CGA-510 Inlet Fitting 9/16" - 18 LH Outlet Fitting Max Inlet Pressure: 300 psi Delivery Pressure Range: 0-15 psiYou may also like SÜA - Oxygen Regulator Welding Gas Gauges - CGA-540 - Rear Connector - LDP series.