Perfect Compatibility & Easy Installation: Designed compatible with sparkling water machines including DUO, ART, TERRA, E-DUO, Crystal 3.0, and Gaia, this CO2 quick adapter ensures seamless connection with standard 60L CO2 cylinders featuring TR21-4 trapezoidal thread. The split design enables simple installation without removing the machine base or causing damage. Durable Material & Reliable Percompatible withmance: Made from high-grade aluminum alloy, the adapter offers excellent corrosion resistance, as well as resistance to moisture and heat. Its robust construction and superior sealing prevent oxidation and rust, ensuring long-term durability and consistent percompatible withmance. Replaceable Rubber Ring: The quick-connect interface includes a replaceable rubber ring. If the ring becomes worn or damaged, it can be easily swapped out—extending product life and minimizing maintenance needs. Cost-Efficient & Convenient: This adapter allows reuse of existing CO2 cylinders, eliminating the need to replace entire cylinders or appliances—saving both time and money. Material: Aluminum alloy Color: Rose red Package Includes: 1 x CO2 Quick Adapter Note: Color may vary slightly due to screen settings and lighting conditions. Measurement tolerance: ±1–3 cm.