The VP950 is a high-efficiency, compact, UV system designed for commercial use. High-efficiency, high-flow, UV system Designed for commercial scale flow rates up to 34 gpm (130 lpm) Features “count down” timer display and lamp change reminder The VP950 inactivates the following microorganisms: Cryptosporidium, Giardia, E.Coli and Fecal Coliform.