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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
4.9 ★★★★★
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Product Reviews
★★★★★ 4
Great results when used carefully
This is a strong exfoliating peel, and it definitely works. The milk texture spreads easily and feels controlled, but you can tell right away that this is not a beginner exfoliant. At 15% glycolic acid, it delivers noticeable smoothing and brightness when used carefully.
I started slowly and kept my routine very simple afterward, focusing on hydration and barrier support. Used this way, it helped refine texture and made my skin look clearer and more even. When I increased usage too quickly, I noticed dryness, which was a good reminder that this peel needs to be respected.
I would recommend this to experienced skincare users who are comfortable with chemical exfoliation and understand the importance of spacing treatments and supporting the skin barrier. It’s effective, but not something to rush or overuse. I used less than the recommended amount and it was still a little spicy for me.
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Reviewed in the United States on January 22, 2026
★★★★★ 5
Restored my glow and smoothness in ONE use!
Restored my glow and smoothness in ONE use!
I am 47, and I’ve really started to notice my skin losing its natural glow and becoming a bit dull. I decided to try the Prequel Multi-Acid Milk, and I am honestly obsessed.
The results were immediate—literally after one use, my skin felt incredibly soft and hydrated. I’ve been using it twice a week, and the difference is night and day. My skin looks much younger, smoother, and that healthy radiance is finally back.
If you struggle with any kind of roughness or uneven texture, this is the solution. It completely clears it up. It’s rare to find a product that delivers such fast results without being harsh. If you're on the fence, definitely give it a try!
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Reviewed in the United States on May 8, 2026
★★★★★ 5
Excellent product
It’s amazing. Not too harsh but does the trick. I love this product. My face flushes a little but is normal by in the morning. My skin glows like it never did before. It took about a week for me to see an obvious difference in my complexion. I am sold on continuing to use this daily. It’s not as expensive as a face peel or microdermabrasion.
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Reviewed in the United States on April 17, 2026
★★★★★ 5
Effective Toner
Staple product! This has a tiny sting that lets me know it’s working. My skin feels so smooth my makeup is gliding on.
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Reviewed in the United States on May 13, 2026
★★★★★ 5
Perfect Statue
Color: Venus - Large Antique, Color: Venus - Large Antique
This Venus De Milo statue is gorgeous. It is very sturdy but not too heavy…….. it appears heavier than it is which I adore since it is a statue. It has an “aged” coloring around the facial features and intricate details which makes it more authentic looking. I love Greek mythology and this piece is a perfect addition to my living room decor. Definitely worth the price.
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Reviewed in the United States on March 7, 2026