Features 1、The refill adapter can be used to replenish a small carbon dioxide tank from a larger carbon dioxide tank. 2、Practical soda accessories, exquisite craftsmanship and corrosion resistance. 3、It is very soft, not easy to break, strong and durable, and can be used for a long time. 4、It is very easy to install and does not require any special installation experience or skills. 5、Easy to use and can connect carbon dioxide tank to soda machine, which is very useful. Specifications Item Type: Soda Hose Material: Stainless Steel + Brass + PTFE Color: As shown in the picture Length: Approx.61cm/24in Weight: Approx.539g/19oz Thread Interface: G5/8-14 // TR21-4 How to Use: 1. Screw the pin valve into the Soda 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 gas cylinder 5. After completion, you can use the Soda machine. If you want to unscrew items from the machine: 1. Close the atmospheric cylinder valve 2. 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 connector 4. Unscrew the pin valve on the Soda machine and unscrew the nut on the CO2 cylinder Package List 1 x Soda Hose 1 x Instruction Manual 3 x Gasket