Specifications: Ceramic filter content is high, less impurities and light texture. The ceramic filtering cartridge can be cleaned easily and used over again, you can see how much dirt it has removed for you. Water absorption and permeability, filtration accuracy of up to 0.1 microns, can filter the water in the sediment, colloid, bacteria and macromolecules organic matter, algae, red worms, pesticide chemicals and other harmful substances. Brush can be used to clean the filter, will block the surface scraping off, revealing a new filter surface, re-play the filter function. Filter and purify your water, give your family only the best and healthy water. (Filter recommended life of 1-3 months or so, it is recommended to clean the filter every two weeks.) Item Name: Filter Cartridge Type: JN-15, JN-18 Material: ABS + Ceramic Water Treatment Machine Category: Pre-filter Features: Portable, Washable, Easy to Install, Replacement Filter Item Size: 8cm x 4cm/3.15" x 1.57" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Filter Cartridge