[ADAPTIVE MODELS]: This Co2 adaptor is compatible with for DUO/TERRA/ART Machine. Quick CO2 adapter hose is connected to Co2 storage tanks with standard CGA320. [ ]: Co2 adapter quick connector hose is made of food grade material, which is rust-proof, anti-, wear-, anti-ageing and not easily deformed, so it can be used with confidence. [WIDE APPLICATION]: For DUO/TERRA/ART Machine Co2 Adapter Hose can be connected to large CO2 tanks such as 5lb, 20lb or 50lb CO2 tanks. It is suitable for use with the CGA-320 tanks in these countries - USA, Canada, Brazil, Colombia, Philippines. [EASY INSTALLATION]: The soda adapter hose is 1.5 m long There is no need to worry about the distance between the Co2 tanks and the soda machines during installation. Also the ultra light weight is very easy to carry around, so it is no burden when travelling. Colour: Material:Copper + stainless steel Package Contents: 1 x CGA320 Co2 Adapter Quick Connector Hose Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.