Features Suitable for gas welding, cutting, chemical and other process. The surface has protective film, the scale is clearly visible, not easy to fade Compact structure, beautiful appearance,and great sealing performance Big handle switch: anti-skid design, more saving labor Valve body is made of zinc alloy, inlet pipe with sintered brass filter, oxygen cap, outlet nozzle, zinc alloy casting, thicker and durable Features: Suitable for gas welding, cutting, chemical and other process. The surface has protective film, the scale is clearly visible, not easy to fade Compact structure, beautiful appearance,and great sealing performance Big handle switch: anti-skid design, more saving labor Valve body is made of zinc alloy, inlet pipe with sintered brass filter, oxygen cap, outlet nozzle, zinc alloy casting, thicker and durable Product use: the pressure reducing valve pneumatic control valve is a necessary accessories, the origin of the main effect is to reduce the pressure and stability to a fixed value so that the regulator can obtain stable gas source power for regulating control Specifications: Material: Zinc alloy + brass Applicable medium: Carbon dioxide Measuring range: 0-1MPa, 0- 25MPa Big cap thread: G5/8 Outlet nozzle: 8mm Size: 14.5 x 14cm / 5.71 x 5.51in Weight: 762g Precautions:  The interface of this product is G5/8, which is only suitable for the flat head of the gas cylinder of QF-2. Package included: 1x CO2 Pressure Regulator Package List