Philips - MASTER Color CDM 942 Daylight Elite 315WOverview The Philips MASTER Color CDM 942 Daylight Elite 315W delivers an increased PAR (photosynthetically active radiation) level and operates at the highest standards. It's a full spectrum lamp made for the vegetative and blooming phases. The bulb ensures tighter internodes, stronger crops, and explosive blooms. The high levels of red light make it perfect for the flowering phase. Growers use this ceramic metal halide bulb to achieve huge harvests