1[Multipurpose] - Suitable for hand showers with ion filters.Integrated anti-limescale shower head with 3 types.Each color has 3 sizes that you can adjust as you like.2[White Stone] � Mineral balls with negative ions can increase the pH (alkalinity), release negative ions, adjust the pH of water slightly alkaline, reduce rust formation and restore smoother skin, keep your hair shiny and smooth.3[Gray Stone] - Energy balls convert water molecules into small molecules.Many valuable minerals are easily absorbed by the skin.Helps with fatigue, promotes metabolism.4[Red Stone] � Infrared mineral balls can remove bacteria, residual chlorine from tap water and heavy metals, and also have an antioxidant function.5[Healthy and Soothing] - Made of high quality Maifan stone.Provides stronger adsorption and penetration than the source ore and is a kind of sterile, non-toxic and environmentally friendly water quality filter.