Features: 1It has good sealing performance no air leakage when connected with the cylinder and it is more convenient to use. 2Made of highquality stainless steel and aluminum alloy it is strong not easy to damage and can be used for a long time. 3Comes with installation hardware including gasket washer and screwdriver for your convenience. 4The installation method is simple and practical. Old or damaged parts can be replaced directly. 5Exquisite workmanship excellent performance stable performance is a very practical accessory. Specification: Item Type: Soda Hose Adapter KitMaterial: Stainless Steel+Aluminium AlloyLength: Approx.36in/914mmTest Pressure (TP): 17000psiWorking Pressure (WP): 6000psiInterface Diameter: Approx. 20.8mm/0.8inThread Interface: CGA320 // TR21-4Applicable Countries: The United States Canada Brazil Colombia the Philippines... (some countries also call itG1/2-14/0.825-14NGO)Weight: Approx. 430g/0.9lbsThe replenishment adapter can be used to replenish a small carbon dioxide tank from a larger carbon dioxide tank. The supplementary adapter is American CGA-320 (G1/2). Make sure that the thread type of the carbon dioxide tank is the same.How to Use: 1. Screw the pin valve into the machine.2. Screw the nut onto the carbon dioxide cylinder and tighten it with a wrench.3. Connect the quick connector.4. Open the valve of the large atmosphere bottle.5. After completion it can be used.If You Want To Unscrew Items From The Machine: 1. Close the atmospheric cylinder valve.2. Press the button of the machine to discharge the remaining carbon dioxide (if you don't disconnect the connector according to this guide the o-ring of the quick connector will blow off).3. Disconnect the quick connector.4. Unscrew the pin valve on the machine and unscrew the nut on the CO2 cylinder. Package List: 1 xSoda Hose Adapter1 x Manual2 x Gasket1 x Washer1 x Screwdriver Note: 1. This item is only applicable to gaseous carbon dioxide not liquid carbon dioxide. It can't use siphon carbon dioxide tank!!2. Please do not quickly disconnect under pressure. The oring will be blown off if you disconnect it quickly. It is recommended to discharge the remaining pressure on the machine.3. Please allow 02 cm error due to manual measurement. Thanks for your understanding.4. Monitors are not calibrated same item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.