Sunmaster - GSE - Lumatek - Prima Klima - Lumen-King - Luxumol - Elektrox - Ecotechnics - Lumii Lightning - MH bulbs (lamps)
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.
MH bulbs are especially suitable for the plant vegetative phase.