The VP950 is a high-efficiency, compact, UV system designed for commercial use. Features countdown timer display and lamp change reminder. High-efficiency, high-flow, UV system Benefits: Convenient: Features countdown timer with digital display and audible lamp change reminder for ease of maintenance Reliable: The constant current feature ensures stable UV lamp output, regardless of power fluctuations High-performance UV lamp, rigorously tested to provide consistent output over the entire lamp life (9000 hours) Space Efficient: High UV output lamp technology allows for a smaller footprint while providing the same UV performance as a longer chamber Application: Perfect for a wide range of commercial applications The VP950M inactivates the following microorganisms: Cryptosporidium, Giardia, E.Coli and Fecal Coliform.