400 watt Hortilux HPS Lamp: HY

This 400 Hortilux HPS bulb is designed with exclusive chemistry and technology that set new standards for plant lighting excellence. This 400 Watt Hortilux Super HPS bulb provides 25% more energy in Violet, Blue and Green spectrum than standard High Pressure Sodium bulbs. The EN designation indicates that these lamps pass EPA, TCLP test criteria as non-hazardous waste, which means they are better for the environment!