315 Watt Ceramic Metal Halide Grow Light

315 Watt Ceramic Metal Halide Grow Lights. Our Grow Lights use 50% less energy, 70% less heat, with a full lighting spectrum that closely resembles sunlight.... Our Phillips full spectrum agro bulb has a 20,000 lamp life with less than 10 % lumen depreciation. No more changing bulbs every 6 months or a year. Excel rebates available for commercial applications... Full 3 year warranty.