Viqua VH200-F10 UV Water Filter, White/Chrome Powerful, yet compact UV disinfection system with pre-filtration designed for the average size home or cottage, for flow rates up to 9 gpm (34 lpm). Pre-Filter Solution: Adds integral 5 micron pre-filtration module to the VH200 UV system. Convenient: Mounted on a reversible, heavy duty, painted steel bracket for installation flexibility and convenience. High-performance UV lamp, rigorously tested to provide consistent output over the entire lamp life (9000 hours).