Fluorescent lamps are phosphorous-coated tubes filled with a low-pressure mercury vapor. Light is produced by passing an electric arc between tungsten cathodes at opposite ends of the tube. This causes the mercury vapor to generate a radiant energy. Product Features 10000 Average rated hours 40-Watt medium base 5000K natural light bulb Energy Saver


$10.39Amazon.com Price
(as of October 17, 2019 5:22 pm GMT+0000 - Details)


Satco S8522 60 Watt 440 Lumens A19 Incandescent Rough Service Light Bulb, 4-Pack Product Features 5000 Average rated hours 60-Watt medium base Frosted bulb


$2.43Amazon.com Price
(as of September 5, 2018 2:22 pm GMT+0000 - Details)