The quality of your drinking water can change with time and can become contaminated with harmful bacteria. The Viqua D4 Ultraviolet Disinfection System provides an economical, reliable, environmentally-safe and chemical-free alternative to chemical disinfection. Whether you are on municipal or private well water, the Viqua D4 Whole-House UV Disinfection System will be perfect for reducing harmful bacteria, viruses and microorganisms such as Giardia, Cryptosporidium, and E.Coli.








