The A1 5-stage water purifier uses advanced ultraviolet technology to sterilize water andprovidesafe, drinking water. UV rays penetrate cell walls and destroy them, leaving you with water free from bacteria and viruses.A1 has large 10L total storage and integrates hot water functionality. Connected directly to your kitchen tap water, you get the convenience of your own water station at a great price. No more frequent visits from strangers delivering water to your house.With Smart UV Alerts,you're sure your water stays safe. The smart control automatically tracks your water use so that filters and lamps are changed not too early nor too late.Suitable for areas using city water with low TDS.DOH Registered