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(Pack of 6) F13T5/CW - T5 Fluorescent 4100K Cool White - 13 Watt - 21" Super Long Life Light Bulbs

4.5 out of 5 stars 1,099 ratings

Price: $41.71
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Fluorescent – Cool White (41K) 6 Pack

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Light type Fluorescent
Wattage 13 watts
Brand KOR
Light source wattage 13 Watts
Colour Temperature 4100 Kelvin

About this item

  • F13T5/CW - Pack Of 6 Bulbs
  • T5 Fluorescent - 13 Watt
  • 21" Overall Length
  • Cool White (4100K) Color
  • 20,000 Hours - Super Long Life

Product Information

Size Name:Fluorescent – Cool White (41K) 6 Pack

Technical Details

Additional Information

Frequently bought together

  • (Pack of 6) F13T5/CW - T5 Fluorescent 4100K Cool White - 13 Watt - 21" Super Long Life Light Bulbs
  • +
  • (Pack of 2) F8T5/CW 8W T5 12 Cool White 4100k Fluorescent Light Bulb 20000hr
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Product description

Size Name:Fluorescent – Cool White (41K) 6 Pack

F13T5/CW - Pack Of 6 Bulbs;T5 Fluorescent - 13 Watt;21 Overall Length;Cool White (4100K) Color;20,000 Hours - Super Long Life


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4.5 out of 5 stars
4.5 out of 5
1,099 global ratings
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Phast Phil
2.0 out of 5 stars Poor Service Life
Reviewed in the United States on 30 December 2018
Size Name: Fluorescent – Cool White (41K) 6 PackVerified Purchase
28 people found this helpful
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D. Elston
1.0 out of 5 stars Steer clear, these do not last.
Reviewed in the United States on 11 April 2020
Size Name: Fluorescent – Cool White (41K) 6 PackVerified Purchase
8 people found this helpful
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amulet
5.0 out of 5 stars Great Price! Good Light!! I Hope they Last!!!
Reviewed in the United States on 13 July 2020
Size Name: Fluorescent – Cool White (41K) 6 PackVerified Purchase
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5.0 out of 5 stars Great Price! Good Light!! I Hope they Last!!!
Reviewed in the United States on 13 July 2020
I was thrilled to get such a great price on these flourescent bulbs for my under cabinet lights in the kitchen. I paid $20.95 plus tax for a pack of 6. I usually pay about $9-$10 for one (1) of these bulbs at my local big box hardware store. I have seen some reviews saying these bulbs aren't lasting very long. Well those brand name $9-$10 each bulbs I was buying at the big box store weren't lasting very long either (usually less than a year). At about $3.49 per bulb for these, if they even last 1/3 the time as the others, I will consider that a win. I just installed this one in June 2020. I will try to update this review when I know more about these bulb's longevity. For now they are good!
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6 people found this helpful
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drfugawe
3.0 out of 5 stars Well, It Seemed Like a Good Idea!
Reviewed in the United States on 21 October 2015
Size Name: Fluorescent – Cool White (41K) 6 PackVerified Purchase
13 people found this helpful
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B. Ferguson
1.0 out of 5 stars Bulbs failing at an alarming rate
Reviewed in the United States on 9 December 2019
Size Name: Fluorescent – Cool White (41K) 6 PackVerified Purchase
Customer image
1.0 out of 5 stars Bulbs failing at an alarming rate
Reviewed in the United States on 9 December 2019
Update: I purchased these bulbs, due to the price and description, as replacements for over-the-counter lighting in my kitchen. I had previously purchased a different manufacturer's 2-pack on Amazon and had enjoyed more than 3 years of service from those two bulbs. I received this 6-pack of bulbs on November 5th, 2019. I found that these bulbs were not very reliable, as they failed after a very short time. I reported the failures in this forum as I progressed through the box. Today (February 16, 2020) the 6th and final bulb in the pack failed. Basic math reveals that each bulb lasted, on average, 17 days. The picture shows one of the failed bulbs at the bottom, with a fresh bulb (which later failed) above. You can see the blackened end of the failed tube. This is a completely unsatisfactory service life for a bulb under ANY circumstance, much less a 2 to 3 times per day activation of the ballast (each day) lighting my kitchen counter.

The light from the bulb is fine and the brightness appropriate. Unfortunately, replacing a typical "residential use" of this bulb less than every three weeks makes this an expensive proposition, regardless of the favorable per unit price associated with the purchase. Because of the extremely poor service life, I cannot recommend this bulb under any circumstance.
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