Built-in shower filter: Contains 9 kinds of filter balls such as KDF-55, Maifanshi Balls, Calcium Sulfite, and so on. Remove residual chlorine, calcium, magnesium and other heavy metals, minerals, rust, sand and other sediments from the water step by step through the filtration media, infuse vitamin C as well as other beneficial trace elements, soften the water, revitalize the water, reduce dry and itchy skin, no hair loss, no dryness Spray Settings:Our high pressure handheld filter showerhead has 9 switchable settings (gun water, pellet water, shower water, water saver, flare water, spray water, flare water + water saver, shower water + water saver, pause water). Simply press the button on the back of the handheld to enter the high-pressure power rinse mode for quick rinsing of large areas. It is the best helper for cleaning bathtubs, tiles, toilets and more