The 600W Osram Son-T-Plus HPS Lamps have a lumen output of 90000 all of which is in the orange/red spectrum, making them ideal for flowering plants. Osram is a highly trusted brand name with a proven track record of producing consistently high quality, reliable horticultural lamps, the 600W Osram Son-T-Plus Lamp is an excellent addition to any grow room, designed specifically for flowering use it also boasts a slightly longer life span than other HPS lamps.
• Long lifetime
• Very high luminous efficacy
• Excellent luminous flux maintenance throughout the life of the lamp