GraySquare Solar - What are the best energy efficient light bulbs: The most energy efficient light bulbs are compact fluorescent light bulbs, or CFLs, and LED bulbs. CFLs use mercury to cause
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Sunlite 40-Watt Equivalent A19 Dimmable Chrome Silver Top LED Light Bulb in Amber 2200K (2-Pack) HD02413-2 - The Home Depot
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