The Echo Cleaning Cartridge is a one-time use cartridge designed to clean Echo Water Machines, including models like the Echo 9, 9 Ultra, and H2. It releases citric acid into the machine to effectively remove any unwanted particles, taste, or mineral build-up, ensuring your hydrogen water stays fresh and clean. The cleaning process is simple and helps maintain optimal machine performance. With its compact design, the Echo Cleaning Cartridge fits easily into the filter housing, making it a quick and convenient solution for maintaining your water machine's cleanliness. The Echo Cleaning Cartridge is an essential maintenance tool for Echo Water Machines. It helps prevent mineral build-up and extends the machine's lifespan by keeping the internal system clean. The citric acid cleaning process is both efficient and safe, ensuring that your water remains pure and fresh. Suitable for various Echo models, this cartridge is an affordable and effective way to maintain your water system. Citric Acid-Based Cleaning: Ensures thorough cleaning by removing mineral build-up, enhancing water quality. Fits Multiple Models: Designed for Echo 9, 9 Ultra, and H2 models, offering broad compatibility. Easy Installation: Compact and fits into the filter housing for quick setup. Single Use for Convenience: One-time use, reducing the need for frequent cleanings and making maintenance hassle-free.