1. 20-stage filtration: Filter materials such as KDF 55, alkaline ceramic balls, activated carbon, and calcium sulfite ensure the best water purification effect. The 20-stage filter materials can effectively reduce sediments such as chlorine, heavy metals, rust, and sand. 2. Three replaceable filter cartridges: There are a total of 3 filter cartridges. Each filter cartridge has a capacity of 12,000 gallons of water, providing clean and odorless water, which can be used by a family of four for 6 - 8 months. 3. Essential for body care: The high-power shower filter can remove odor-causing impurities, quickly relieve fatigue, delay aging, and make the skin smooth. This shower filter water softener can act as a moisturizer and cleanser, softening the water and providing the best feeling for sensitive skin. 4. Fully compatible: The universal shower filter can be installed in any home, using the standard 1/2 thread type. It is suitable for most shower heads, connecting the shower head and the handheld shower. 5. Easy installation without any tools: Installation takes only a few minutes and requires no tools, even if you don't have any tools at hand. We also provide Teflon tape and 2 rubber gaskets for free to prevent leakage.