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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Lepro Bayonet Light Bulb, 60W Equivalent, Warm White 2700K, 8.5W 806lm B22 LED Bulb, BC A60 GLS Energy Saving Lightbulbs, Non-dimmable, Pack of 6 : Amazon.co.uk: Lighting
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Vanke Bayonet Light Bulb 60w, B22 LED Bulbs Warm White 2700K, 9w Energy Saver Bulb, 806 Lumen, Non-Dimmable, 3-Pack : Amazon.co.uk: Lighting
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JandCase E14 LED Light Bulb Warm White 3000K, 6W Small Screw Light Bulb, E14 60W Equivalent, 600LM E14 Golf Ball Bulb, Non-Dimmable, G45 P45 Energy Saving Light Bulbs, E14 LED Bulb, 6
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