Phytolite - Sunmaster - Gualala Robotics - Lumatek - Elektrox - TBM - Adjust-A-Wings - Nutriculture - HALO - Lumen-King - CMH bulbs
Lumen-King is a trademark of the company Dentrax B.V. based in the Netherlands. The company is engaged in the sale of lighting products.
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.