[Effective Water Purification]: The mineral filter stick included in this Hot Springs silver ion cartridge provides multi-layer filtration and effectively removes contaminants from the water for a clean and refreshing spa experience. [Easy Installation & Low Maintenance]: Installing this Hot Springs silver ion cartridge is simple, with no heating or complicated installation required. It integrates seamlessly with your existing flow, providing convenience and hassle-free maintenance. [High-Quality Material]: Made of sturdy materials such as zeolite, anion, zinc, dechlorination ball, and VC ball, these mineral spa filter sticks are designed to withstand use in both cold and slightly warm tubs. The heavy-duty construction ensures long-lasting performance and effective filtration. [Reduce Skin Irritation]: The active ingredient, zinc, in the Hot Springs silver ion cartridge helps minimize irritants in the water, promoting healthier and more comfortable skin during your spa visits. [Versatile Compatibility]: Designed to be compatible with various tubs, these silver ion cartridges offer versatility and can be used with different models for enhanced water purity and quality. Note: Data are all measured manually, please allow 1-3cm error, due to the light and display difference, there may be color difference, please refer to the actual object received.