This faucet water filter can generate great purified water instantly and help you make the best tasting coffee and tea. Our filter is made of Diatomite ceramic membrane, coconut shell activated carbon granules, effectively filter water scales, sediments, floats, odors, rust, some residual chlorine, large particles. Description: Filter and purify your water, give your family only the best and healthy water. The ceramic filtering cartridge can be cleaned easily and used over again. You can see how much dirt it has removed . if the water quality in your area is really bad, just clean the filter more often. Very environmental friendly. Wallet friendly .