Hallett UV Upstream 10-75 

Hallett Upstream UV systems are widely considered to be the world's leading ultraviolet steriliser. Offering 38 Litres p/m the Upstream 10-75 is suitable for residential use or light industrial/commercial applications.
 
Incorporating unique Crossfire technology where water passes inside of a quartz sleeve and two UV lamps in air - one on either side of the quartz sleeve - bathing water in germicidal UV light killing bacteria, viruses, and cysts.

The unique Crossfire process also has a hot water purge valve that eliminates the 'hot water' problems associated with less advanced UV systems