Lumens are a measure of a light source’s brightness. An 18-watt CFL and a 75-watt incandescent bulb both provide about 1,100 lumens of brightness.
Lumens
Lumens are a measure of a light source’s brightness. An 18-watt CFL and a 75-watt incandescent bulb both provide about 1,100 lumens of brightness.
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