Description: Color will send by Random color 100% Brand New and Hight Quality. Material: PP Size: 60 x 45MM Suitable for faucet diameter 15-20mm(0.6" x 0.8") (pls note before you purchase) Expiration date: Depending on the water quality may be in different place, We kindly recommended replacement per 2 months. 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 Note 1. Blackwater have started flowing out, this is normal, you can turn on the water for about 5-10 seconds, please read the instructions carefully and use the back of the baby 2.Avoid prolonged use in hot water, it is preferable to use at 50 degrees Celsius Package Included: 1 x Tap water filter