Nano H2o Mini KFD Dual Water Filtration System,Pharmatropic LLC,NanoH2O-MINI-S" /> Simple to install dual filtration water purifier Nano H2O Super-activated carbon filters are the finishing stage in purification process Nano H2O KDF filtration media needs be replaced only once each year KDF process uses high-purity, granulated copper and zinc-based alloys that treat water by ionization and oxidation process. Nano H2O KDF media is that it will enhance performance, reduce maintenance, and extend the life of your Nano H2O filtration system