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:max_bytes(150000):strip_icc()/phillps-5b0fd9a921504c6b8b7bff82e7e06edb.jpg "US Government to Crank Lightbulb Efficiency Up to 120 Lumens Per Watt")
US Government to Crank Lightbulb Efficiency Up to 120 Lumens Per Watt
Brighten your senses in lumens with the watt - lumen conversion chart as an incandescent can draw upto five times as many wa… | Conversion chart, Chart, Light bulbs
