The LUMINOR BLACKCOMB 4.1 LB4-101 model is a 11 GPM UV System neutralizes various microorganisms and fits various applications that coincide with its GPM rating. The LUMINOR BLACKCOMB 4.1 system was designed for simplicity and ease of operation that permits lamp or sleeve replacement without the need to drain the reactor chamber, unlike competitive systems. This system features high quality UV lamps, bayonet style lamp connector for simple lamp change, and a controller that houses both audible and visual lamp failure indicators, all in a splash-proof case.