Super HPS grow lamps fine-tune your lighting system to povide optimum spectral energy levels that promote vigorous plant growth. The EYE Super HPS EN Grow Lamps provide 17% more total energy and 25% more energy in the violet, blue, and green spectrum than standard High Pressure Sodium lamps. These lamps are environmentally friendly and pass EPA, TCLP Lighting criteria as non-hazardous waste. LU250S/HTL/EN Initial Lumens: 30,500 ; Hours Life: 2400