Hortilux-Blue Metal Halide lamps revolutionize lighting for plant growth. Designed to provide a balanced light spectrum that replicates natural sunlight. The exclusive Iwasaki/EYE chemistry provides levels of red, blue and green spectral energy to optimize plant growth and yield. Hortilux- Blue Metal Halide lamps are used professionally in plant physiological research, and biotechnology/pharmacology industries. Produces 29,000 Lumens.