Universal Compatibility: Designed for a wide range of CO2 tanks with W21.8-14 threads, this adapter is ideal for models like for DUO, for TERRA, for ART, for , and for Crystal 3.0. Note: your CO2 bottle is Suitable to compatibility. Construction: Crafted from premium aluminium alloy, the CO2 adapter offers exceptional durability and resistance to wear and . This robust build ensures reliable performance and extended lifespan for your beverage system. Precision Gas Flow Control: Equipped with a CO2 drain valve, this adapter allows precise adjustment of gas flow, featuring a double sealing structure to prevent any leakage. A standard 15oz CO2 bottle can be filled in just 30-45 seconds, ensuring quick and efficient operation. Cost-Effective Solution: By enabling the refill of large CO2 cylinders into smaller CO2 bottles, this adapter significantly cuts down on the need to purchase new CO2 bottles frequently, offering substantial savings over time. User-Friendly Design: The adapter connects effortlessly to your CO2 bottle, facilitating easy inflation without complex procedures. It's an ideal addition to enhance the functionality of your for Terra, for Duo, or for Art beverage machine. Colour:Photo Color Material:Aluminum Alloy Package Contents: 1 x CO2 Quick Refill Adapter 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.