Features: Brand new and high quality Multi-functional Adapter: The Sodas maker TR21-4 Adapter is a versatile accessory that allows for connecting different models and sizes of Sodas makers. Secure Seal: Manufactured with high-quality materials, this adapter ensures a secure seal between the gas cylinder and the Sodas maker, preventing any leakage. Convenient and Easy to Use: The adapter is incredibly simple to use - just insert it between the Sodas maker and the gas cylinder for quick and effortless connection. Suitable for Home Users: A practical tool for home users who need to replace their Sodas maker gas cylinders. Perfect for Food Establishments: The Sodas maker TR21-4 Adapter makes it convenient for restaurant to connect and utilize gas cylinders effortlessly. Specifications: Material:Metal Size:Approx.45x37mm/1.77x1.45inch Package Includes: 1x CO2 Quick Adapter note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.