Double Purification by RO and UV with TDS controller Computer Controlled Operation with Filter Change Alarm and UV Fail Alarm. After a pre-set time, Filter Change Alarm is audible which indicates time to replace the filters. If filters are not changed within next 60 hours of use, the purifier stops functioning, to avoid the possibility of impure water delivery. In case the UV stops functioning, UV Fail Alarm is audible. The purifier does not function until the UV lamp is replaced to ensure the delivery of only 100 percent pure. Spin-welded RO Membrane Housing to prevent tampering. Push – fit components for leak – proof performance. Fully automatic operation with auto-start and auto-off. ABS construction for corrosion free lifespan. Equally suitable for water from all sources such as bore-wells, overhead storage tanks, water tankers and even municipal taps. CE Certified