Philips 21-Watt 34 in. Linear T5 Fluorescent Tube Light Bulb Cool White (4100K) Alto (40-Pack)
SKU: 46445202446

Philips 21-Watt 34 in. Linear T5 Fluorescent Tube Light Bulb Cool White (4100K) Alto (40-Pack)

Sale price$112.64 Regular price$125.16
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Description

Philips 21-Watt 34 in. Linear T5 Fluorescent Tube Light Bulb Cool White (4100K) Alto (40-Pack)Philips linear fluorescent 21 Watt 34 in. T5 cool white light bulb (F21T5 841) is ideal for residential use in garages workshops, basements, as well as for commercial use in general, decorative and architectural lighting. It provides a cool white light. Brightness: 1950 lumens Estimated yearly energy cost: $2. 89 (based on 3 hrs day, 11c kWh. Costs depend on rates and use.) Life: 22. 8 years (based on 3 hrs day) Light appearance: 4100K (Cool White)

Philips linear fluorescent 21-Watt 34 in. T5 cool white light bulb (F21T5/841) is ideal for residential use in garages workshops, basements, as well as for commercial use in general, decorative and architectural lighting. It provides a cool white light.

  • Brightness: 1950 lumens
  • Estimated yearly energy cost: $2.89 (based on 3 hrs/day, 11c/kWh. Costs depend on rates and use.)
  • Life: 22.8 years (based on 3 hrs/day)
  • Light appearance: 4100K (Cool White)
  • Energy used: 21 Watts
  • Lumens per watt: 95.24
  • Ideal for residential use in offices, as well as for commercial use in general, decorative and architectural lighting
  • Great for general purpose lighting - creates a balanced and pleasant light
  • Contains mercury: yes (for more on clean-up and safe disposal, visit: epa.gov/cfl)
  • Contains mercury: yes (for more on ceal-up and save disposal visit: www.epa.gov)


Features
Light Bulb Base Type Bi-Pin
Actual Color Temperature (K) 4100
Indoor/Outdoor Indoor
Returnable 180-Day
Light Bulb Base Code G5
Color Rendering Index (CRI) 85
Average Life (hours) 25000
Lumens (Brightness) 2000
Bulb Type General Purpose
Wattage (Watts) 21
Color Temperature Cool White
Number of Bulbs Included 40
Light Bulb Features No additional features
Light Bulb Shape Code T5
Lighting Technology Fluorescent
Bulb Shape Linear
Bulb Construction Glass
Bulb Diameter (In.) 0.625
Product Length (in.) 34
Approximate Light Bulb Length 3 ft.
Manufacturer Warranty Yes. Please 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.
  • Delivery to the USA:
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  • If time is of the essence, please consider selecting expedited delivery for faster service.
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]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 46445202446

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babs
Carnegie, US
★★★★★ 5
Great find
Color: Grey Striped, Size: 72"W x 74"L (Pack of 1)
Its absolutely beautiful. Very nice material. Worth it.
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Reviewed in the United States on February 11, 2026
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D. Worrell
Charlottesville, US
★★★★★ 5
Excellent Quality and Good Looking, too!
Color: Grey Striped, Size: 72"W x 72"L (Pack of 1)
This is a beautiful shower curtain - good fabric, falls nicely, brings subtle color to bathroom. Just what I was looking for.
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Reviewed in the United States on January 10, 2026
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Larry
Louisville, US
★★★★★ 5
Well made shower curtain
Color: Grey Striped, Size: 72"W x 72"L (Pack of 1)
It's nice and fits my shower for and good price
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Reviewed in the United States on February 12, 2026
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Terry
Louisville, US
★★★★★ 5
Good product
Color: Grey Striped, Size: 72"W x 72"L (Pack of 1)
Very nicely made
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Reviewed in the United States on June 10, 2026
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Walter P.
Grantham, US
★★★★★ 4
Just okay
Color: Grey Striped, Size: 72"W x 84"L (Pack of 1)
Okay curtain, not great, but not bad. Looks like it has kind of a faint background design. Has a plastic type feel. Looks okay.
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Reviewed in the United States on October 17, 2025

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