Grow Lights | Cool Tube from Hydroponics Group Features. http://www.hydroponicsgroup.com/products/grow-lights/ This metal halide/sodium vapor grow light from Hydroponics Group runs cool enough to touch yet puts out 400 or 600 watts depending on your ballast and bulb configuration.
Comes with metal halide and sodium vapor bulbs, ballast, internal intercooler fan, duct venting, reflector and power cords. Keeps the temperature of your grow box, grow tent or grow room within three degrees of the surrounding temperature.
Tags: Grow Lights | Cool Tube from Hydroponics Group Features, Grow Light, Hydroponic Grow Lights, metal halide bulbs, sodium vapor bulbs, Hydroponic lighting