Owners of a VIQUA E4 can drink with confidence knowing 99.99% of illness-causing microorganisms, including E. coli, Cryptosporidium and Giardia are destroyed, supplying safe water to every tap in your home or business. With it’s compact features, it disinfects water up to 22 gallons per minute or 83 lpm. UV water purification is a natural process that adds no chemicals and does not affect the taste or odor of water. Other methods, such as those that use chlorine, may create harmful chemicals that have been linked with serious illnesses. Maintenance is simple and can be completed in minutes – without tools. It’s as easy as replacing the UV lamp once a year and periodically cleaning the sleeve.