Features: Zinc alloy body:The for valve body is made of alloy, with a tight structure to prevent air leakage and escort you. Clear reading:Using plexi-glass, the dial scale is clear and the reading is intuitive. threaded joint:The interface adopts threaded design, the wire mouth is deep and long, and the sealing performance is strong. Thickened knob design, comfortable to use and more convenient to operate. Comes with valve:When the output pressure is too high, the pressure reducing for valve can automatically open the exhaust and reduce the pressure. Specifications: Material:Metal Size: Approx.16cm/6.29inch Inlet connection thread: G5/8"-14 out Outlet connection thread: M16x1.5 Product material: for valve body zinc alloy + internal parts copper parts Configuration pressure specification: input 0-25MPA Applicable gas: carbon dioxide 0-1MPA Input pressure: 15 (Mpa) Working pressure: 0-0.6 (Mpa) Nominal flow: 15m/h Scope of application: mainly used for welding, cutting and chemical industry electronics industry, etc. Note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks for your understandings. Package includes: 1x CO2 Regulators Gauges