... high-tech micro multi-level filtration; With high-tech Nano-metal clusters media(Nano-KDF)Without recontamination. Removal of rust, worms ... your skin, hair and teeth.Nano-metal clusters media (Nano-KDF): Highly efficiently removes heavy metal ions in water such as Pb2+, Cd2 ... +, Cr6+, As3+, etc.Decreasing the concentration of oranic pollutants and F-,Hg+,MH3,N02-,in ...