Air cooled reflectors - CMH bulbs - HPS bulbs - 250 W - 600 W
CMH (ceramic metal halide - also LEC or CMD) bulbs are suitable for plants in the vegetative and flowering phase. CMH lamps produce the most sun-like spectrum of light.
HPS (High Pressure Sodium) bulbs are suitable for plants in the vegetative and flowering phase. HPS Lights emit white light.