Features: 1Made of brass material which is sturdy and ensures maximum durability. 2Good sealing performance no air leakage when connected with cylinder. 3Exquisite workmanship excellent performance practical soda accessories. 4Easy to use and install a perfect replacement for the old and broken one. 5The installation method is simple and practical more convenient to use. Specification: Condition: 100% Brand NewItem Type: Soda ValveMaterial: BrassThread Size: G1/2-14 / TR21-4Applicable Countries: United States Canada Brazil Colombia PhilippinesWeight: Approx. 352g / 12.4ozInstruction:1. Connect the refill adapter to the large CO2 cylinder equipped with siphon firmly using an adjustable wrench.2. Remove all residual gas from the cylinder to be refilled.3. Freeze the empty cylinder in the refrigerator (recommended freezing for at least 3 hours).4. Measure the weight of the cooled empty cylinder on the scale.5. Connect the adapter to the siphon-equipped CO2 tank.6. Open the CO2 tank valve slightly and charge the empty cylinder for 7 to 10 seconds. Can hear the incoming CO2 gas sound.7. Remove weight from adapter and measure weight. If the empty cylinder weight is subtracted from the measured weight it is the charge amount. Package List: 1 x Soda Valve3 x Gasket