NotePlease check if your own tap style meets the installation requirements before placing your order. We always adhere to the concept of serving customers. If you find any quality problems during use, we are willing to serve you as soon as possible! MaterialPVA non-woven + zeolite + maifan stone + calcium sulfite + natural coconut shell activated carbon + PVA non-woven, Six layers of water filtration, absolutely safe,no secondary pollution, non-toxic. Improve Water QualityRemoves heavy metals from chlorine and other impurities in the water, improves the quality of the water, makes the water sweeter and safer. Ergonomic DesignCompact and convenient, suitable for 1.6-2.7cm diameter faucet. Used in home kitchen, bathroom and any place you need. Anti-Splash and Water SavingUniform size of the filter holes, you don't have to worry about splashing, it has the functions of filtering, splash-proof and water-saving.