LUMII CDM LAMP 4200KLUMii SOLAR 315w Ceramic Discharge Metal Halide (CDM) lamps deliver a light spectrum thats much closer to natural sunlight than typical high intensity discharge (HID) systems. These state of the art lamps generate a greater level of useable plant light (photosynthetically active radiation) and run with a blinding intensity thats immediately apparent to the naked eye. The LUMii SOLAR 315W CDM lamps boast low power consumption and heat output and they