Goodness of Steel, The LG water purifier's Dual Protection Stainless Steel Water Tank, maintain freshness of water and reduce the growth of bacteria and algae. Far more hygienic than a conventional plastic tank, it ensures that water remains safe for drinking with Dual Protection Seal. Goodness Certified, 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. Drink Pure, Live Healthy, The Stainless Steel Tank in LG True Water Purifier preserves the freshness of stored filtered water for an enhanced duration. Multi Stage Filtration Process, LG's advanced multi-stage reverse osmosis (RO) system delivers safe drinking water via a multi-stage filtration method that removes contaminants as minute as 0.0001 micrometers in size.RO filtration eradicates bacteria, viruses and heavy metals to provide incredibly pure drinking water. Digital Sterilizing Care, LG Digital Sterilizing Care Cleans and sanitizes water path, like hose, faucet and pipes, without using any harmful chemicals. Mineral Booster, Mineral Booster adds essential minerals to the water like calcium and magnesium, making it healthier and tastier. LG WATER PURIFIER NEVER SWITCHES OFF Auto Smart Connect is a technology that helps connect your water Purifier to your home inverter. Once the water purifier is connected to the home inverter, every time the power goes off it automatically takes inverter power to run the water purifier without any manual supervision. LG water Purifier Certified by Heart Care foundation. It's Pure! It's Certified!