1、CO2 cylinder refill adapter with 254cm/100in hose kit, stable performance. 2、CO2 cylinder filling hose adapter, suitable for filling CO2 for Soda machine, very practical. 3、The installation method is simple, and the old or damaged parts can be replaced directly. 4、Excellent stainless steel and brass material, exquisite workmanship, rust resistant and durable. 5、It has good sealing performance, no air leakage when connected with the cylinder, convenient to use. Item Type: Soda Hose Material: Stainless Steel + Brass Color: Blue Length: Approx.254cm/100in Weight: Approx.423g/14.9oz Test Pressure (TP): 8000psi Working Pressure (WP): 3000psi Interface Diameter: 21.8mm/0.86in Thread Interface: W21.8-14 // TR21-4 Applicable Countries: South Korea, Japan, Britain, Germany, France, Poland, Norway, Switzerland, Russia, Ukraine, South Africa, Sweden, Chile, Czech Republic, Singapore... (some countries are also called DIN477 /JIS m22-14) 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 1 x Soda Hose 1 x Instruction Manual 2 x Spacer 1 x Gasket