Description: The Mijia faucet water purifier adopts a newly designed transparent window of the filter element, which can directly see the process of filtering tap water through the filter membrane and observe the use of the filter element at any time. There are four filtration systems, namely stainless steel filter, non-woven filter, activated carbon and hollow fiber ultrafiltration membrane, in which the filtration accuracy of hollow fiber ultrafiltration membrane is 0.1 ¦Ì m, which can effectively filter harmful bacteria in water while retaining minerals that are beneficial to the body. * One filter can last for Max. 3 months use. Features: Hollow fiber ultra-filtration membrane with 0.1¦Ìm precision to effectively remove the harmful bacteria but retain the beneficial substances in the water. 4 layers strong filtration, deep water purification, healthy water flow-out. Three water output modes, better performance in water-saving and filter use lifespan Visible window for filter