Features: Elevates your sparkling water experience with our quick adapter, designing to seamlessly connect your co2 cylinders to art sodas makers with a tr21 4 male thread. Crafted from metal, this adapter boasts a fast fit designs for easy installation, ensuring a secure and rustresistant connection for your sodas water bubblers. For home beverage enthusiasts who appreciate the convenience of making their own carbonated drinks without the hassle of incompatible accessories. Perfect for family gatherings or refreshment, this adapter transforms any occasion into celebration, for a range of sparkling water makers. With the quick adapter, indulges in the freedom of creating custom flavored sodas, refreshing taste of homemades sparkling water anytimes. Specifications: Component:Metal Size:As Picture Shown For Art/GAIA Package Includes: 1 Set Sodas Maker Adapter note: ①.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. ②.Due to the differences between different monitors, the picture may not reflect the actual coloring of the item. Thanks for your understandings.