Essential Repair Kit: Use these high-quality sealing rings, ensuring a tight CO2 bottle seal. Premium Durability: Crafted from top-grade rubber, these sealing rings are built to last, providing long-lasting sealing performance. Easy Installation: Simple to use and install, these rings are the perfect solution for maintaining your carbonation system. Cost-Effective: Save money by replacing the sealing ring rather than purchasing a new nozzle, making it an economical choice. Universal Compatibility: Compatible with Sodastream, Compatible with Sodaclub, and similar carbonation systems, these sealing rings are versatile and reliable., Manufacturer: OTOTEC