1CO2 cylinder filling hose adapter kit, which is a practical soda accessory. 2Adopting premium stainless steel material, with good durability and reliability. 3G5/814 // TR214 thread connection, good sealing performance, no air leakage. 4It can be used to connect CO2 tank and soda machine for easy filling. 5Refill adapter can be used to replenish a small CO2 tank from a larger CO2 tank. Item Type: Soda Hose Material: Stainless Steel Weight: Approx. 416g / 14.7oz Length: Approx. 2m / 6.6ft Use Pressure: 1500psi Work Pressure: 6000psi Blasting Pressure: 17000psi 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 large gas bottle 5. After completion, you can use soda machine If you want to unscrew items from the machine: 1. Close the large gas cylinder valve 2. Press the button of the soda machine to discharge 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 1 x Soda Hose 1 x Manual 2 x Spacer 1 x Gasket 1. Please allow 0& 8209;1 inch error due to manual measurement. Thanks for your understanding.2. 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.3. This item is only applicable to gaseous carbon dioxide, not liquid carbon dioxide. It cannot use a siphon for carbon dioxide tanks.4. Please do not disconnect the quick disconnect under pressure. The quick disconnect O& 8209;ring will be blown off. It is recommended to discharge the remaining pressure on the soda machine.