Tecno Hot / Cold Water Purifier (Free Basic Installation)5 Stage water Purification (Sediment Filter, Carbon Block, UF Membrane, Activated Carbon, UV LED) Sediment filter helps remove dirt and debris such as sand, lime, rust, and other fine particles Carbon block filter removes particulates,pollutants, chlorine, volatile organic compounds (VOCs)and dissolved organic and inorganic impurities. Ultra Filteration (UF) Membrane removes up to 99. 9% bacteria and viruses. Activated Carbon Filter (ACF) filter