Gualala Robotics - Philips - Light Interaction - Sunmaster - Hydrofarm - GIB - Ostalo - Lumen-King - Sylvania - 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.