EWI 011 (Altis) ensures maximum water purification. It consists of a 10 stage purification system. These stages includes Spun Cartridge, Sediment, Pre Carbon, RO, Post Carbon, UF, TDS, UV, Mineral Cartridge, and Antiscalant. Through reverse osmosis, Total dissolved solids (TDS), hardness, pesticides, and heavy metals like lead, arsenic, and mercury are eliminated. It also reduces microorganisms like viruses, bacteria, protozoa, and cyst. So, the water you finally get is absolutely clean and 100% pure. A One-year Guarantee with 3 free services is also provided with this model...