Features: 1This CO2 hose adapter kit connects the CO2 tank to the Soda machine practical. 2Made of high quality stainless steel material soft lightweightrust resistant and durable in use. 3The test pressure of the hose is 17000 psi and the working pressure is 6000 psi. 4The refill adapter can be used to replenish a small carbon dioxide tank from a larger carbon dioxide tank. 51.5m CO2 soda hose adapter kit with stable performance easy to install and use. Specification: Item Type: Soda HoseMaterial: Stainless Steel Color: BlackLength: Approx.1.5m/4.9ftWeight: Approx.382g/13.5ozTest Pressure (TP): 17000psiWorking Pressure (WP): 6000psiThread Interface: G5/8-14 // TR21-4How to Use:1. Screw the pin valve into the Soda machine2. Screw the nut onto the carbon dioxide cylinder and tighten it with a wrench3. Connect the quick connector4. Open the valve of the gas cylinder5. After completion you can use the Soda machine.If you want to unscrew items from the machine:1. Close the atmospheric cylinder valve2. Press the button of the Soda machine to discharge the remaining carbon dioxide (if you do not disconnect the connector according to this guide the o-ring of the quick connector will blow off)3. Disconnect the quick connector4. Unscrew the pin valve on the Soda machine and unscrew the nut on the CO2 cylinder Package List: 1 x Soda Hose1 x Instruction Manual2 x Spacer1 x Gasket Note: 1. This item only applies to gaseous carbon dioxide not liquid carbon dioxide. It can't use siphon carbon dioxide tank!!2. Please do not disconnect the quick disconnect under pressure. The quick disconnect O‑ring will be blown off. It is recommended to discharge the remaining pressure on the Sodas machine.