[Adaptive Models]: This Co2 adapter is compatible with DUO/TERRA/ART machines. The Quick CO2 adapter hose is connected to the Co2 storage tanks with the CGA320. [HIGH QUALITY]: The Co2 adapter connector hose is made of high-quality food-grade material, which is rust-proof, corrosion-resistant, wear-resistant, anti-aging, and not easy to deform, so it can be used with confidence. [WIDE APPLICATION]: The Co2 adapter hose for DUO/TERRA/ART machine can be connected to large CO2 tanks such as 5 lb, 20 lb, or 50 lb CO2 tanks. It can be used with CGA-320 tanks in countries: United States, Canada, Brazil, Colombia, Philippines. [EASY INSTALLATION]: The soda adapter hose is 1.5 m long. You don't have to worry about the distance between the Co2 tanks and the soda machines when installing. In addition, its ultra-light weight is very easy to carry, so it won't be a burden when you travel. Color: as shown Material: Copper + stainless steel Package Contents: 1 x Co2 CGA320 Adapter Connector Hose