New Vervion New Features: This version Humidifier cleaner balls can improve the internal environment of the humidifier water tank, while effectively removing odor from water, reducing white dust and providing a clean and comfortable environment for you and your family. This is thanks to its rich silver ions and trace elements, which can adsorb cations in the water, like Mg²+, CA²+, Al²+. Let it always bring you a fresh environment Widely Compatibility: Compared to humidifier fish cleaner, there is no requirement for humidifier opening size. Can be used in universal humidifiers which tank is 1 gallon and above, such as Ultrasonic Humidifiers, Warm&Cool Mist Humidifiers and Evaporative Humidifiers. Easy to replace the humidifier demineralization 20pcs Value Packaging: Only one humidifier tank cleaner is needed for 1-gallon humidifier. It will last 30-40 days, depending on the hardness of your water and how often you use it. For best performance, it is recommended to use one or two cleaning balls in a 2-gallon tank humidifier Rpolong The Life Of Humidifier: SomewayTop humidifier cleaning ball will effectively reduce the build-up of impurities and minerals in the water to prevent clogging of the humidifier, ensuring that your humidifier lasts for years Purchase Without Worry: We pay strict attention to the quality of our aqua sticks for humidifier and your experience of using. We strictly control the raw materials and the production process. If you have any questions, please feel free to contact us The demineralization cartridge uhe-hdc4 is not only compatible with HoMedics humidifier models UHE-CM65 UHE-WM70 UHE-OC1 UHE-CM45B UHE-CM25 UHE-WM16 UHE-OW14 UHE-WM85 but also suitable for all 1 gallon and larger humidifiers, as well as evaporative, cold and warm mist ultrasonic humidifiers, and most humidifiers