Growers Choice brings us a 3K 315W Single Ended CMH (Ceramic Metal Halide) Light. This bulb contains precision gasses for an enhanced spectral output. It also generates less heat than HPS and MH. The 3K 315W Single Ended CMH more closely matches sunlight than any other lighting solution available. Growers report tighter inter-nodal spacing and better yields on flowering plants. Contains precision gasses for enhanced spectral output Generates much less heat than HPS and MH More closely matches sunlight than ANY other lighting solution available Growers report tighter inter-nodal spacing and better yields on flowering plants Specifications Color: 3100K Type: SE-CMH Wattage: 315W Initial Par: 565 umol/s CRI: 87 Hours: 10,000