As part of the Professional Series, the K+ offers outstanding performance for commercial applications, for flow rates up to 80 gpm (303 lpm). Benefits: Reliable: State of the art UV sensor technology to give you real-time performance feedback, for added peace of mind Convenient: Features countdown timer with digital display and audible lamp change reminder for ease of maintenance Cool-Touch fan technology helps reduce the temperature within the chamber to prevent overheating Ease of Maintenance: High-performance amalgam UV lamp, reduces maintenance requirements by lasting up to 2 years replacement Space Saving: Even with the high flow capabilities, their footprint is half the size of their predecessors, making installation quicker and easier Powerful/Space Saving: Revolutionary Amalgam lamp provides 4x the output of standard output lamps, giving you compact single-lamp systems that are half the size of their predecessors Optional Accessories: COMMcenter – Displays UV dose, alarm history, lamp hours and other performance parameters. Includes dry contact connection for external functionality. Solenoid Valve featured: stops the flow of water through the chamber should the UV performance fall below a safe level Application: Perfect for a wide range of commercial applications including, small businesses, hospitals, dentist offices, etc. The K+ inactivates the following microorganisms: Cryptosporidium, Giardia, E.Coli and Fecal Coliform.