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Description
Philips 21-Watt 34 in. Linear T5 Fluorescent Tube Light Bulb Bright White (3000K)The Philips 21 Watt Bright White Linear Fluorescent Light Bulb (F21T5 830) casts a crips, bright white light that can last up to 20,000 hours. You can use this bulb in almost any room inside of your home or business for general light needs or in the kitchen or bathroom. This bulb has a T5 shape with a bi pin base. Brightness: 2100 Lumens Estimated yearly energy cost: $2. 53 (Based on 3 hrs day, 11c kWh. cost depend on rates and use) Lasts up to 18. 2
The Philips 21-Watt Bright White Linear Fluorescent Light Bulb (F21T5/830) casts a crips, bright white light that can last up to 20,000-hours. You can use this bulb in almost any room inside of your home or business for general light needs or in the kitchen or bathroom. This bulb has a T5 shape with a bi-pin base.- Brightness: 2100 Lumens
- Estimated yearly energy cost: $2.53 (Based on 3 hrs/day, 11c/kWh. cost depend on rates and use)
- Lasts up to 18.2 years (based on 3 hours/day)
- Light appearance: 3000K (Bright White)
- Energy used: 21-Watt
- Lumens per watt: 100
- T5 bulb shape, miniature bi-pin base
- Contains mercury: yes (for more info on cleanup and safe disposal, visit: epa.gov/cfl)
- Ideal for residential use in kitchens and bathrooms as well as for commercial use in general, decorative and architectural lighting
- Contains mercury: yes (for more info on clean-up and safe disposal, visit: epa.gov/cfl)
- Based on availability, color temperature on packaging may vary between soft white and bright white, but all lamps will provide the same color temperature output of 3000 Kelvins.
Features
| Item Weight | 0.233 |
| Light Bulb Base Type | Bi-Pin |
| Indoor/Outdoor | Indoor |
| Returnable | 180-Day |
| Light Bulb Base Code | G5 |
| Color Rendering Index (CRI) | 85 |
| Actual Color Temperature (K) | 3000 |
| Average Life (hours) | 20000 |
| Color Temperature | Bright White |
| Bulb Type | General Purpose |
| Wattage (Watts) | 21 |
| Lumens (Brightness) | 2100 |
| Light Bulb Features | No additional features |
| Light Bulb Shape Code | T5 |
| Lighting Technology | Fluorescent |
| Number of Bulbs Included | 1 |
| Bulb Shape | Linear |
| Bulb Construction | Glass |
| Bulb Diameter (In.) | 0.625 |
| Product Length (in.) | 34 |
| Approximate Light Bulb Length | 3 ft. |
| Manufacturer Warranty | Yes, 18.3 years. Please see package 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:
- Standard Shipping : 3-10 business days
- 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
4.2 ★★★★★
Based on 11 reviews
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Product Reviews
★★★★★ 5
pretty good watch
Color: Silver
Cheap but pretty tuff. No it isn't my old tried and true Timex but is does wear well and servives even at work. I pack a lot of material in my hands all day and no watch goes without scratching but this watch has taken it so far. No time loss and the date stays curent so no complaints from me about it.
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Reviewed in the United States on February 26, 2026
★★★★★ 5
Nice for the price
Color: Silver
Got it as a gift for my nephew and it fit his small wrist he loved it.
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Reviewed in the United States on March 2, 2026
★★★★★ 4
Don't care for those type of bad but it works OK
Color: Silver
Well worth the cost
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Reviewed in the United States on April 14, 2026
★★★★★ 5
It is easy to navigate from mode to mode.
Color: Silver
I have only had this watch for four month. So far I am satisfied with its performance.
One thing I like about it is that it only has three buttons. This makes it easier to manipulate. With only three buttons I have no problem remembering how to navigate from Mode to Mode.
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Reviewed in the United States on August 15, 2025
★★★★★ 3
Works and looks good but….
Color: Silver
My son liked this watch but it was a bit difficult to adjust the links other than that it works and looks good
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Reviewed in the United States on June 30, 2025