Quick Connect Retrofit Adapter for CO2 Tanks Scratch Resistant Replacement

Description: 【Direct Compatibility】: This soda maker thread adapter allows you to use a TR21-4 threaded CO2 cylinder for Terra, for DUO, for ART, and for Gaia sparkling water machines, so you can switch between different cylinder types without changing valves or buying new bottles 【Easy Setup】: The adapter installs by hand in seconds – simply screw it onto your cylinder and push it into the machine, and the hand tighten adapter ring secures firmly without wrenches, making the process straightforward for anyone 【Solid Aluminum Build】: Machined from a single piece of aluminum, this aluminum CO2 cylinder fitting is lighter than brass versions, yet holds its shape under regular pressure, and the integrated design eliminates weak joints or seams 【Scratch Resistant Surface】: The matte finish not only looks clean but also resists minor scuffs from daily handling, so this sparkling water machine accessory maintains its appearance over time, and the smooth texture makes gripping easy 【Compact and Portable】: Measuring just a few centimetres, this TR21-4 quick connect converter adds minimal bulk to your cylinder, allowing you to store it in the machine or carry it with your spare tank without taking up extra space Size Chart: 3.6cmx2cmx3.2cm/1.42inchx0.79inchx1.26inch Package Includes: 1 CO2 Cylinder Adapter Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.