The GROSITE 600 watt HPS Lamp offers enhanced red, orange, yellow and blue spectrums for increased photosynthetic activity and a higher lumen output. Universal, for both horizontal and vertical operation. Emits 72,000 lumens.

48 inch T5 HO 54 watt 6,500K daylight high output fluorescent bulb. Standard length. 35 degree centigrade temperature rating ensure long life and optimal light output throughout the bulb life.

48 inch T5 HO 54 watt 2,900k daylight high output fluorescent bulb. Standard length. 35 degree centigrade temperature rating ensure long life and optimal light output throughout the bulb life.