Satco S7336 40 Watt (150 Watt) 2600 Lumens Hi-Pro Spiral CFL Daylight White 5000K Medium Base 120 Volt Light Bulb

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

Categories: Light Bulbs

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

Added on: October 17, 2019 - More: Comments & Reviews


Product Description


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
Anonymous says:

Closer to 2000 lumens – dishonest labeling. NOT 2600 Lumens, no matter how long you let it warm up. Measured it with a light meter, and compared it against a 150 watt tungsten incandescent bulb. I’d say that this Satco S7334 40 watt bulb is closer to 2000 lumen output – a good third to half a stop less than the tungsten bulb.Very disappointing, and misleading and dishonest labeling.

Anonymous says:

Highly recommended and very bright! This lightbulb works great in my two car garage and it’s so much brighter than standard bulbs. I had tried to use LED lightbulbs but turns out that they can interfere with the garage door opener (opener only worked intermittently— FYI, I had to replace the LED bulbs in the ceiling light and the ones in the opener as well) so I found this one and it works great and is very bright. When the garage is very cold it takes a couple of minutes to reach full brightness but that’s common for this type…

Anonymous says:

Can’t survive longer than 6 months. I’ve bought four of these over the last two years. I use them in an outdoor wall mounted barn light with a photocell. They are plenty bright to light up a large yard area. I live in Texas where the outdoor summer heat is rough and unfortunately, these bulbs just can’t handle it. They only last around 6 months of turning on at dusk and off at sunrise. At only 6 months of usage they are costing more money than I am saving in electricity by switching from my mercury vapor bulbs. So I will not…

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