The Ultra Sun® Metal Halide (MH) Blue Enhanced Performance lamps offer extra emphasis in the blue and violet spectrums with Kelvin temperatures of 7,500°K and 10,000°K. This line of Ultra Sun® lamps is exceptional for vegetative growth and for the final fruiting and flowering stages of a plants development. If you need sunlight supply lamps, you can visit Grow It Best store and get it. Contact Us: (541) 550-3100