EyeHortilux 600-Watt Super HPS Grow Bulb, 1-Pack

Provides 25% more energy in the violet, blue and green spectrum than standard High Pressure Sodium. The combination of Super HPS and the Metal Ace conversion lamp provides the optimum spectral energy levels through all stages of plant growth. EN designation means environmentally friendly in that the lamp passes EPA, TCLP test criteria as non-hazardous waste.

Extend the growing season to 365 days a year with eye hortiluxtm grow lamps
Optimizing spectral energy levels that promote vigorous plant growth
EN lamps are completely lead free and contain less mercury than standard HPS lamps
Grow lamps provide 17 percent more energy and 25 percent more energy than high pressure sodium lamps