Ceramic Dome Filter Removes Sediment Particles And Rust Up To 0.3 Micron And Larger. Replace Annually Depending On Water Quality And Usage.*Carbon Filter Activated Carbon Removes Chlorine, Trihalomethanes, Organic Chemicals And Unpleasant Tastes And Odours Creating Fresh And Clean Purified Water. The Filter Contains Bio Ceramic, Infra Red Balls Which Activates The Water Molecules In Our Bodies. Replace Annually Depending On Water Quality And Usage.*Mineral Stones Contain Germanium. Continuously Releases More Than 20 Kinds Of Ionised Minerals And Adjusts The Ph Of The Water To A Mild Alkaline. Replace Annually Depending On Water Quality And Usage.