[ADAPTIVE MODELS]: This CO2 adapter is compatible with DUO/TERRA/ART machines. The quick CO2 adapter hose connects to CO2 storage tanks with standard CGA320. [DURABLE CONSTRUCTION]: The CO2 adapter quick connector hose is made of food-grade material, rust-proof, wear-resistant, anti-aging, and not easily deformed, ensuring reliable performance. [WIDE APPLICATION]: This CO2 adapter hose for DUO/TERRA/ART machines can be connected to large CO2 tanks such as 5lb, 20lb, or 50lb tanks. It is suitable for use with CGA-320 tanks in countries including the USA, Canada, Brazil, Colombia, and the Philippines. [EASY INSTALLATION]: The soda adapter hose is 1.5 m long, providing ample reach between CO2 tanks and soda machines. Its ultra-lightweight design makes it easy to carry and convenient for travel. Color: As shown Material: Copper + stainless steel Package Contents: 1 x CGA320 CO2 Adapter Quick Connector Hose Note: Light reflection and different displays may cause slight color variations between the image and the actual item. Measurement may vary by +/- 1-3 cm.