SWS Hi-Tech Ceramic Cartridge Features: Filter and purify your water, give your family only the best and healthy water. This facet water filter can generate great purified water instantly and help you make the best tasting coffee and tea. 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. If the water quality in your area is really bad, just clean the filter more often. Very environmental friendly. Wallet friendly too. 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.