Split Design: Quick connector features a split design, making installation easy. It can be installed without removing the machine base and does not damage the machine itself. Cost-effective Solution: No need to purchase new cylinders or seek replacement options—this adapter makes refilling your CO2 cylinder convenient and economical. Premium Material & Durability: Made from high-quality aluminum with a polished electroplated finish, this adapter provides excellent strength, leak-proof performance, and high-temperature resistance. Enjoy safe and reliable soda with every use. Easy to Use: Simply connect the quick adapter to your soda maker and attach the other end to your standard CO2 cylinder with a TR21-4 male thread. This provides a quick and secure connection for seamless soda preparation. Color: Silver Material: Aluminum alloy Package Contents: 1 x Cylinder Refill Adapter Note: Only the items listed are included. Other products are not included. Light reflection and differences in display screens may cause slight variations in the color of the item shown in the picture compared to the actual product. Measurement may vary by up to +/- 1-3 cm.