The Aquaguard Total Sensa is the World's only purifier equipped with E-boiling +, UV+, RO+ UF+ and SMP+ technologies that can purify any kind of water. No Matter where you live. It's Patented BluG technology senses the quality of water. Then auto selects the best purification technology to purify your water. SMP+ ensures that the TDS level in your water is constant and gives you the triple benefit of sweetness, minerals and purity. Giving you water that's perfectly balanced, with the right amount of minerals and salts.