Drink pure and clean water is one of the healthy practices that one should be following. Now, with this Panasonic TK-CS50 Uv Water Purifier, you can have the facility of drinking pure and safe water. This purifier features UV sterilization and 4 stages of water purification. Through UV sterilization, there is an assurance of 99.99% bacterial elimination. Also comes along the UV error alert, so if there is any error in the UV lamp, it cannot sterilize the water and the water flow stops. An LED light flashes to inform you to get it checked.