SKU: 81271957656

Philips 4 ft. 40-Watt Equivalent T12 Supreme (4100K) U-Bent Linear Fluorescent Tube Light Bulb, Cool White (12-Pack)

Sale price$105.45 Regular price$117.17
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Description

Philips 4 ft. 40-Watt Equivalent T12 Supreme (4100K) U-Bent Linear Fluorescent Tube Light Bulb, Cool White (12-Pack)The Philips 40 Watt Linear Fluorescent U Bent Light Bulbs (FB40T12 CW SUPREME 6) last up to 18,000 hours and feature a light output of up to 2,300 Lumens. These U shaped bulbs provide a cool, white light for a pleasant atmosphere and are ideal for home or office. Dimmable: no. Suitable For indoor use. Brightness: 2300 Lumens Estimated yearly energy cost: $4. 82 (based on 3 hours per day, 11c kwh, costs depend on rates and use) Life hours: 18000 hour

The Philips 40-Watt Linear Fluorescent U-Bent Light Bulbs (FB40T12/CW SUPREME/6) last up to 18,000-hours and feature a light output of up to 2,300 Lumens. These U-shaped bulbs provide a cool, white light for a pleasant atmosphere and are ideal for home or office. Dimmable: no. Suitable For indoor use.

  • Brightness: 2300 Lumens
  • Estimated yearly energy cost: $4.82 (based on 3-hours per day, 11c/kwh, costs depend on rates and use)
  • Life-hours: 18000-hour
  • Light appearance: 4100K (bright white)
  • Lumens per watt: 57.5
  • Contains mercury: yes


Features
Light Bulb Base Type Bi-Pin
Lumens (Brightness) 2300
Actual Color Temperature (K) 4100
Indoor/Outdoor Indoor
Average Life (hours) 18000
Returnable 180-Day
Light Bulb Base Code G5
Color Rendering Index (CRI) 85
Wattage (Watts) 40
Bulb Type General Purpose
Color Temperature Cool White
Number of Bulbs Included 12
Light Bulb Features No additional features
Lighting Technology Fluorescent
Light Bulb Shape Code T12
Bulb Shape Linear
Bulb Construction Glass
Product Length (in.) 48
Bulb Diameter (In.) 1.5
Approximate Light Bulb Length 4 ft.
Manufacturer Warranty Yes, 7 Years. See the "More Information" tab for details.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
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SKU: 81271957656

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4.2 ★★★★★
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David
Phoenix, US
★★★★★ 5
Good quality
Size: Medium, Color: Black/Assorted
Comfy and sturdy
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 27, 2025
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Brooke
Battle Creek, US
★★★★★ 5
Favorite socks
Size: Medium, Color: Black/Assorted
These are my go to socks! Love these. Great towards sweat and different weather temperatures. Mostly use for working out and love them. Will be getting more!
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Reviewed in the United States on April 9, 2024
L
Verified Purchase
LC
Draper, US
★★★★★ 5
LOVE THEM!!
Size: Small, Color: (001) Black / Black / Castlerock
LOVE! These socks are so comfortable! I wear a 5 in women's and a 3 in big kid shoes. The small fit me perfectly. I see where some say they run small but I can't say that was an issue for me. They are "snug" but thats what you want with a no show sock. I feel they have support vs the ones i used to buy at Walmart. They are very soft! I am actually buying more today and throwing my other ones in the trash!
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Reviewed in the United States on February 18, 2026
L
Verified Purchase
Lucy Mejia
New York, US
★★★★★ 5
So will not write down your foot
Size: Medium, Color: (001) Black / Black / Castlerock
I love these socks. They have a little bit of gel on the top of the heel for support in your tennis shoes and so your socks don’t write down. Very good quality.
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Reviewed in the United States on May 6, 2026
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Verified Purchase
Twins9
Omaha, US
★★★★★ 5
Comfy and Stay Put
Size: Medium, Color: (002) Black / Black / Halo Gray
These socks are honestly great. They’re super thin and light, so once you have them on, you kind of forget they’re even there. No bulky feeling in your shoes at all. The best part is they actually stay on. I hate no-show socks that slide down after five minutes, and these don’t do that. The little grip on the heel really works, so you’re not constantly adjusting them all day. They’re breathable too, which is nice if your feet run warm. They dry fast and don’t get that gross sweaty feeling. And there’s no annoying seam on the toe, so nothing rubs or feels uncomfortable. Basically, they’re just comfy, stay put, and don’t cause problems — which is all I want from socks.
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Reviewed in the United States on January 16, 2026

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