Features: Our filter made of Diatomite ceramic membrane, coconuts shells activated-carbon granules, effectively filter water scales, sediments, floats, odor, rust, some residual chlorine, large particles. Effectively remove left residual chlorine and provides clean and healthy water,no matter for shower or cooking. Please be careful when cleaning, and wash while running the tap; Please use soft cloth or fine sandpaper to clean; Do not use any detergent or steel wire balls to clean, so not to damage and shorten the service-life of the filter elements. It recommended to replace and clean the filter elements regularly to avoid secondary pollution and ensure healthy water quality. Filter and purify your water, give your home the great and healthy water. Specifications: Material: Ceramic Size: Approx. 9.5x4.05cm/3.74x1.6inch 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. Package includes: 4x Inner Ceramic Filter