Osram 600w Plantastar hps bulb has the highest PAR rating (meaning it has the highest plant-usable light output) of any bulb on the market, in addition to having 30% more blue spectrum than a standard HPS bulb. It is a 220V bulb designed to be fitted with an E40 lamp holder. It has a low cost of maintenance. It boasts an extremely constant luminous flux during the first 10.000 burning-hours. After this time or every two years it is advisable to exchange the lamps. The solid, high impact construction means that these lamps are more durable than comparable lamps on the market and as there is no moving start-antenna, there is no chance of parts becoming loose.
1 x lamp