Description: 100% Brand New and high quality. Water filters composition and function: Zeolite: go out and chlorine, chlorine and some other heavy metal impurities and make the water smell and health sweet. Calcium nitrite: not only adsorbed organic compounds, toxic metal ions and harmful bacteria and viruses in the water has a very strong adsorption, especially for dechlorination effect is more pronounced. Activated carbon: out chlorine, odor, and a variety of toxic and hazardous substances in water, has a bactericidal antibacterial function, can reduce water alkaline substance weakly alkaline water PVC non-woven filter layer: filtered water in the iron slag, sediment, suspended solids and visible impurities Features: Material:pp+pvc+medicine stone Color:As the picture shown Size:As the picture shown (1 inch =25.4mm or 1mm = 0.0393 inch) Package Includes: 1pc tap water filter Notice: 1. Please allow 2-3% error due to manual measurement. Please make sure you do not mind before you bid. 2. The colors may have different as the difference display, please understand.