Maxibright Daylight 315W Twin CMH ReflectorMaxibright Daylight 315W Twin CMH Reflector Two Lamps, One Reflector A rare reflector design that runs two 315W CMH lamps from a single reflector housing delivers 630W of CMH output with wide PAR spread from one unit rather than two separate fixtures. Highly reflective aluminium formed around both lamps for even light distribution. Requires two Daylight 315W ballasts (sold separately) to drive both lamps. Why growers choose the Daylight 315 Twin