Most of water purifiers kills water borne disease causing bacteria, virus during the purification process using UV light and at the end stores water in the storage tank. Drawback, the problem with this process is during storage, if purified water contains very minute level bacteria, viruses get time, the chance to grow, reproduce, increase their population and makes water contaminate again. To avoid these things LG Electronics came with Everfresh UV technology. Try our water purifier selector to choose right water purifier by answering simple questions without reading any buying guide.
LG electronics believe that RO removes bacteria, virus so there is no need of UV in filtration stage. Whereas, Everfresh UV light applied on purified water while storing in the storage tank. Even, purified water contains minute level bacteria, virus in storage tank, Everfresh UV light kills those contaminants. LG water purifiers contains a Stainless Steel tank, makes purifier water preserve more safe. Everfresh UV cycle automatically starts in every 6 hours and runs for 75 minutes. In below image, it shown as purified water stored in storage tank, at that top of storage tank contains UV light, is applied on water.