LED Filament Bulb
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https://www.youtube.com/watch?v=mfT9w8gVz9Y
LED FILAMENT BULB
3.7 Watts of power consumed
440 Lumen
118.9 Lumen per Watt
30,000 Hours Life Expectancy
INCANDESCENT
40 Watts of power consumed
135 Lumens
3.3 Lumens per Watt
3,000 Hours Life Expectancy
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US patent
20140369036
Dec. 18, 2014