XLEDIA Diamond Series D100N A19 5000K Omni-Directional LED Light Bulb with 100-watt Replacement, Cool White Most Efficient Omni-Directional LED Suitable for Fully Enclosed Fixtures Thermal Tunneling Resistance (TTR) Technology Extremely Light Weight - 30% to 50% lighter than most LED bulbs High Efficiency Power Circuitry - &gt; .99% power factor &gt;40,000 Hour Life Expectancy