Purify your water:Enjoy clean and refreshing water with our advanced Class 20 filter that removes chlorine, heavy metals, odors, and color from your tap water. It also blocks larger particles like rust and silt from entering your shower..Perfect your skin:Say goodbye to dry skin, itching, dandruff, and eczema with our multi-stage filter that moisturizes and nourishes your skin, hair, and nails. Our innovative multi-stage filtration system is widely recognized as the solution for improving your skin and beauty..Easy to install:No tools required! Just unscrew your old shower head or shower filter and replace it with our shower head water filter by twisting the top of the filter open. It fits all types of showers, including fixed rainfall and handheld showers..Full compatibility:Our universal filter cartridges have a standard size of 2.7 x 2.4 inches (about 6.9 x 6.1 cm), and can be used in any household. They are compatible with any shower heads, hand showers, and faucets that have a standard 1.27 cm thread type..Best Service:We are committed to providing you with the customer . If you have any questions or issues, please us through Amazon and we will respond within 24 hours. If you are not satisfied with the quality of our product, you can get a replacement.