Features: brand new and high quality Filter and purify your water, give your family only the best and healthy water. Our filter is made of Diatomite ceramic membrane, coconut for shell activated carbon granules, effectively filter water scales, sediments, floats, odors, rust, some residual chlorine, large particles. This faucet water filter can generate great purified water instantly and help you make the best tasting coffee and tea. 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. Specifications: Material:Ceramics Color:White Size: Approx. 9.5x4.05 for cm/3.74x1.6 inches Package Includes: 4 x Inner Ceramic Filters note: 1.Please allow 0-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3.Other parts are not included. Thanks for your understanding.