Highly efficient filtration: Premium PP cotton filter cartridge ensures better effect when cleaning water quality. Filter materials can effectively reduce chlorine, heavy metals, rust, sand and other sediments. Free chlorine and heavy metals such as lead and mercury are removed from tap water. Water softening: Hard water dries the skin and scalp and makes the dull hair. The filter effectively softens the water. It can help you relieve the itchy feeling of dry skin, reduce hair loss, improve skin immunity and slow down skin aging. 5 filter cartridges: contains a total of 5 filter cartridges. The capacity of each cartridge is 40,000 liters of water, which provides clean and odorless water. This corresponds to an average lifespan of 4 to 6 months. Wide range of applications: the universal shower filter can be installed in any home, it uses a standard 1/8 thread 2". Fits most rain shower heads, fixed shower heads, hand showers, faucets, washing machine inlet and water heater outlet. Essential for everyday life : As the environment becomes more and more polluted, the need for a water filter to ensure the health of our body has become even more important to us.