400W Grow Lights Set : 1.High-purity aluminum plate 2.Air hooled reflector 3.Macth 250-1000W MH/HPS 4 ... is simply to be the BEST VALUE in grow lights. We continually work to produce the highest quality ... send you a replacement. Metal Halide ( MH ) Bulb Specs 400w, 600w, 1000w = 36,000, 61,000 , 110, ... we may send you a replacement HPS grow light 400W HPS/MH Dimmable Ballast Air Cool TUBE Grow lights Set