GIB - Lumen-King - HPS bulbs - CMH bulbs
Nobel Commercial lighting... Working on innovative technologies to make plant lighting more efficient. For both... hobby gardeners and professional growers.
HPS (High Pressure Sodium) bulbs are suitable for plants in the vegetative and flowering phase. HPS Lights emit white light.
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.