Stay healthy and taste the freshness of purest form of water with the LG WW140NP True RO Water Purifier that comes with 5 stage RO filtration system adding minerals in 100 Percent RO purified water. The Stainless Steel Tank in LG True Water Purifier preserves the freshness of stored filtered water for an enhanced duration.LG's Stainless Steel water storage tanks have 94.4% less E.Coli growth in 24hrs as compared to plastic tanks. Thus, stainless steel storage tank in LG True water purifier is safer than regular plastic tank in other water purifier.LG True Water Purifier is equipped with Mineral Filter which adds on minerals in 100% RO Purifier Water and makes water Healthier and Tastier.