"Advance Alert System: Don't worry about the Germkill Kit™ getting over, as this feature will warn you 15 days before it is about to die. Removes 1 Cr Virus: Be sure of healthy life as it removes 1 crore virus effectively in 1 Litre of the water. Multi-stage purification UV: Be assured of multiple stage purification process that will, hands down, give you the purest water quality. Auto Shut Off: whenever the machine gets auto shut off then you will know that water has been completely purified.