Perfect Compatibility & Easy Installation: Designed for use with machines such as DUO, ART, TERRA, and E-DUO/Crystal 3.0, this CO2 quick adapter provides a secure connection to standard 60L CO2 cylinders with TR21-4 trapezoidal thread. The split design allows for easy installation without removing the machine base or causing damage.Durable and , Reliable Performance: Made from high-quality aluminum alloy, the CO2 adapter offers excellent corrosion resistance and durability. Its robust construction and reliable sealing performance ensure long-term protection against oxidation and rust, delivering consistent and dependable operation.Replaceable Accessories Extended Use and Reduced Maintenance: The quick-connect fitting includes a replaceable rubber O-ring. If the ring becomes worn or damaged, it can be easily replaced, extending the lifespan of the adapter and reducing maintenance costs.Cost-Effective and Time-Saving Solution: Instead of replacing the entire cylinder or heating system, this CO2 quick adapter allows you to continue using your existing CO2 bottle, saving both time and money.Material: Aluminum alloy Color: Rose Red Package Contents: 1 x CO2 Quick Adapter Note: The package includes only the items listed above. Other products are not included. Note: Lighting and display differences may cause slight variations in color between the image and the actual item. Measurement may vary by +/- 1-3 cm.