An 18 GPM point-of-entry system for homes that combines a pre-treatment sediment filter with UV purification to combat microorganisms and small particles commonly found in water. This system features state of the art UV sensor technology, 2X the UV-C output of standard low-pressure lamp technology, a lamp age indicator, stainless steel chamber, and 120 AC voltage. This quality system is simple to install and maintain. Viqua VH410-F20 (120v) . Ultra Violet disinfectant  Sterilum-HO UV lamps - High Output lamp technology allows you to treat high flow rates in a more compact space A 5 micron pre-filter is included to the UV system 4-log (99.99%) reduction of most bacteria, viruses and protozoan cysts at rated flow will keep your water safe to drink without adding chemicals Cobalt ICE controller provides constant output current and an universal power input Controller alerts user with alarm if UV lamp fails Sealed case on the controller helps to prevent damage from accidental water intrusion Stainless steel reactor provides long life and eliminates the possibility of degradation from exposure to high intensity UV light Compact design reduces installation time and takes less space Lamp can be changed without interruption of water flow