Come and see our amazing products.It is made of soft rubber material to prevent water leakage and save water every time used. Suitable for most of long and round basin faucets, applicable faucet outlet diameter from 16-22mm.Applicabe tap:Single hole basin mixer,Double basin mixer,Shower,Bathtub faucet,Kitchen faucet. Built-in layered filter can separate coconut activated carbon, zeolite, PVA non-woven, fabrics, calcium sulfite and rubber, which applys to purify hard water and well water. Pls confirm further with us if any query about packing info, inventory status and time schedule.