100% Brand New and Hight Quality. Suitable for the Hole of a Round Faucet diameter 15-30mm(0.6" x 1.2") Material: Maifan Stone Color: White, Green, Pink, Blue Size: 70x30x30mm(2.8” x 1.2 ” x 1.2”) Package Included:1 x Tap water filter Expiration date: Depending on the water quality may be in different place, We kindly recommended replacement per 2 months. Filter and purify your water, give your family only the best and healthy water. This faucet water filter can generate great purified water instantly and help you make the best tasting coffee and tea. Medical Stone Filter Unit, Contain Natural Minerals That the Human Body Needs, No Secondary Pollution, Non-toxic. This water faucet uses Maifan Stone to filter water, Maifan Stone is a natural gemstone. It is a crystal silicate mineral compounded with elements such as aluminium, iron, magnesium, sodium, lithium, or potassium. Maifan Stone is a very good material for filters. Maifan Stone help to provide you with the most healing and beneficial water available and will help to enhance and energize both your physical and spiritual states. It Can Remove: rusts, parasites, contaminants, worms, residual chlorine, algae,heavy metal ions,dirt,organic pollutants, unpleasanttastes, cryptosporidium and giardia. Uniform Size of Filtering Holes, Can be at Ease to Use, Don't Have to Worry About Splash. With This Type of Water Filter, Can Make Your Household Kitcehn Life More Safety and Health.