10 PP cotton filter elements - 6 filter elements of 9.5 x 2 cm ensure that you can use it all year round (we recommend replacing it every 1 to 2 months). Of course, you can choose when to replace the filter element according to the water quality of your city and the pollution level of the filter element. Our product is only compatible with shower heads with an inner diameter of 9.5 x 2 cm. Please check the size before purchasing! Hard water filters are non-toxic, odorless, non-polluting and easy to replace. In addition, it can remove particulate pollutants in the water and effectively block large particles such as rust, silt, suspended matter, insect eggs, etc. in the water. It is recommended to change it frequently and say goodbye to dirty water baths!Three-layer filtration: The shower head filter has an upgraded filtration system, high-quality filter materials, PP cotton filter element, anionic anti-scale mineral balls and cotton pads form a triple filtration system that can effectively filter chlorine, sand, rust, bacteria and other impurities in the water, soften hard water and maintain water pH.Rejuvenate your skin and hair - The descaling filter in your shower head can reduce dryness and itching, keeping your skin, hair and nails healthy. It is perfect for bathing children and pets. After cleaning, the fresh water can make your skin and hair smoother and softer, rejuvenate your body, and keep your sebaceous glands balanced.The Gift of Love - The shower head has a built-in PP cotton filter to prevent clogging and also has a water quality treatment function. The PP cotton filter helps remove toxins, bacteria, and odors from the shower water and releases them into the tap water; With these cleansing effects, your family can be better protected and skin damage can be reduced.