Features Suitable for gas welding, cutting, chemical processes and others. The surface is covered with a protective film, the scale is clearly visible and not easy to fade. Compact structure, beautiful appearance and excellent sealing performance. Large handle switch: non-slip design, more labor saving The valve body is made of zinc alloy, inlet pipe with sintered brass filter, oxygen cap, outlet nozzle, zinc alloy casting, thicker and more durable. Features: Suitable for gas welding, cutting, chemical processes and others. The surface is covered with a protective film, the scale is clearly visible and not easy to fade Compact structure, beautiful appearance and excellent sealing performance. Large handle switch: non-slip design, more labor saving The valve body is made of zinc alloy, inlet pipe with sintered brass filter, oxygen cap, outlet nozzle, zinc alloy casting, thicker and more durable. Product use: Pressure reducing valve pneumatic control valve is a necessary accessory. The main effect is to reduce the pressure and stability to a fixed value so that the regulator can obtain a stable gas power source for regulation control Specifications: Material: zinc alloy + brass. Applicable medium: carbon dioxide Measuring range: 0-1MPa, 0-25MPa Large cap thread: G5/8 Outlet nozzle: 8mm Size: 14.5x14cm Weight: 760g Box contents: 1 x CO2 pressure regulator. Note: Before purchasing, it is necessary to confirm that the cylinder flat head model is QF-2 before normal use. Package List