... high-tech micro multi-level filtration; With high-tech Nano-metal clusters media(Nano-KDF) The Water filter jug's Material:plastic ... :AS,.PPMaterials inside: Active carbon,resin,nano-KDF Cartridge use limit:200 litres or 90 days ( ... obtained to protect your skin, hair and teeth Nano-metal clusters media (Nano-KDF):Highly effciently removal of residual chlorine;Highly efficiently ...