Our Grow Master 315-Watt Ceramic Metal Halide Grow Light System delivers a light spectrum that’s much closer to natural sunlight than typical high intensity discharge (HID) systems. A higher temperature creating light much closer to the suns. Being able to operate more efficiently at higher temperatures means a boost in performance. Coverage area is 3.5 ft. x 3.5 ft., that means bigger harvest and less cost. The 315-Watt CMH 3100K lamp is optimized for the bloom phase with enhanced reds, but because it’s full-spectrum, it will produce the goods in both vegetable and flower expect to see increased growth rates, tighter internodes, an improvement in overall vigor and an increase in final weight.Or use a 315-Watt CMH 4200K lamp for a enhanced blue spectrum and the ultimate vegetative light.

• Comes complete with ballast and reflector
• Product dimensions: 20 in. x 9.5 in. x 8 in.
• Ballast features 2-year limited warranty
• Digital ballast is ETL listed and CE certified
• Comes with hooks for easy hanging installation of your grow light
• 120-Volt 14.5 ft. power cord and 7 ft. daisy chain cord included
• Dual input voltage: 120-Volt/240-Volt
• Reflector type: enclosed style
• Includes daisy chainable feature (120-Volt MAX 4 units, 240-Volt MAX 8 units)
• Bulb sold separately