Weldmark by Victor AF 150 Light Duty Single-Stage Flow Gauge Regulator; Cylinder Gas: Argon; Inlet Connection: CGA580; Outlet Connection: 5/8-18 Female RH; Dimension: 5-1/2 Inch Length x 3-1/2 Inch Width x 4 Inch Height; Flow Rate: 50 scfh; Inlet Pressure: 3000 psig Maximum; Material: Forged Brass Body and Zinc Powder Coated Cap