ILUMINAR CMH LAMP 315W 3K REDThe ILUMINAR Lighting CMH Single Ended Lamp is a natural white light with a proprietary phosphor coating on the outside of the arc tube to provide a rich spectrum and superior color quality. The 315W single ended bulb is a medium wattage grow light with enhanced spectral output. Its designed for maximum efficiency, compatible with square wave technology and is available in 3K, 3K+Red and 10K color temperatures. The single ended (SE) 315W CMH lamps are