... :PMMA or AS Plastic, Nano-KDF,Actived carbon,Tourmaline ceramic cartridge.Features:With high-tech micro multi-level filtration; With high ... -tech Nano-metal clusters media(Nano-KDF)Without recontamination.Cartridge use limit:200 litres or 90 days (depending on water ... teeth.Ideal For:Household, Office, Hotel, Outdoors, Travel,etc. replaced cartridge water filter