Features:Switches between filtrated water and tap water flexibly using Nano-KDF technology to inhibit the growth of bacteria.The ceramic filtering cartridge can be cleaned easily and used over again. You can see how much dirt it has removed for you.It also comes with 3 faucet joints in order to fit different types of taps. Very easy to install. No special tool required.This water faucet uses Tourmaline to filter water， tourmaline is a natural gemstone.It is a crystal silicate mineral compounded with elements such as aluminium， iron， magnesium， sodium， lithium， or potassium.Functional properties of tourmaline， a bio-electrode micro-current.Promotes metabolism， regulating the central nervous system and autonomic nervous system. Improves heart rhythm and blood circulation.Water negative ionizer. Weakly alkaline body fluids can ensure a healthy internal environment， purify the blood， removing toxins.Package Included:1 �� faucet water purifier with ceramic cartridge filter1 �� faucet joint ( Diameter: 20.5mm ) for male screw thread faucet1 �� faucet joint ( Diameter: 23mm ) for female screw thread faucet1 �� universal rubber faucet joint ( Diameter: 16-25mm )