Commercial grade Legionella prevention Copper-silver ionization technology solutions, by CSIDefender®, have been deployed dom ... estically in North America and exported to Europe, Asia, and the Middle East for almost 20 years. Engineered to protect healthcare facilities, nursing homes, hotels, schools, large residential buildings, and military establishments from Legionella growth in potable water distribution networks. CSIDefender® has a proven record to help prevent the growth of Legionella bacteria in facility potable water distribution networks. Globally recognized since 2002, CSIDefender® is the most powerful and reliable copper silver ionization solution in the industry. Supported by certified water management vendors, CSIDefender® are fully automated ionization control systems that disperse industry-proven and accepted copper and silver ion concentrations into facility water distribution networks. CSIDefender® water treatment solutions are known for their performance to help prevent potential Legionella exposure risks to facility occupants. read more