Apollo Horticulture GLBHPS1000 1000 - Watt High Pressure Sodium HPS Grow Light Bulb Lamp - Walmart.com
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Sunlite 03681-SU MH1000/U/BT56 M47/S Metal Halide Lamp, 1000 Watts, Mogul Base (E39), BT56, 12,000 Hours Life, 110,000 Lumen, Clear Finish, 4000K - High Intensity Discharge Bulbs - Amazon.com
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