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Description
Philips 13-Watt 21 in. Linear T5 Fluorescent Tube Light Bulb Cool White (4100K)For effective residential and commercial lighting, select the Philips 13 Watt 12 in. T5 Cool White Linear Fluorescent Light Bulb (F13T5 CW 4100K). It produces cool, white light and can last up to three years. The T5 linear fluorescent bulb has a medium, bi pin base. It is meant for indoor use. Brightness: 820 Lumens Estimated yearly energy cost: $1. 57 (based on 3 hours day, 11c kWh, cost depend on rates and use) Lasts up to 6. 8 years (based on 3
For effective residential and commercial lighting, select the Philips 13-Watt 12 in. T5 Cool White Linear Fluorescent Light Bulb (F13T5/CW 4100K). It produces cool, white light and can last up to three years. The T5 linear fluorescent bulb has a medium, bi-pin base. It is meant for indoor use.- Brightness: 820 Lumens
- Estimated yearly energy cost: $1.57 (based on 3-hours/day, 11c/kWh, cost depend on rates and use)
- Lasts up to 6.8-years (based on 3-hours/day)
- Light appearance: 4100K (cool white)
- Energy used: 13-Watt
- Lumens per watt: 63.1
- T5 bulb shape, miniature bi-pin base
- Contains mercury: yes (for more info on cleanup and safe disposal, visit: epa.gov/cfl)
- For indoor, commercial and residential use
- Ideal for general purpose applications including offices and basements
Features
| Item Weight | 0.14 |
| 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 |
| Bulb Type | General Purpose |
| Color Temperature | Cool White |
| Wattage (Watts) | 13 |
| Light Bulb Features | No additional features |
| Lumens (Brightness) | 820 |
| Light Bulb Shape Code | T5 |
| Average Life (hours) | 7500 |
| Lighting Technology | Fluorescent |
| Number of Bulbs Included | 1 |
| Bulb Shape | Linear |
| Bulb Construction | Glass |
| Product Length (in.) | 21 |
| Approximate Light Bulb Length | 21 in. |
| Bulb Diameter (In.) | 0.625 |
| Manufacturer Warranty | Yes, 6.8 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.
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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]
- Please click here for more details>>> Return & Exchange Policy
4.8 ★★★★★
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Product Reviews
★★★★★ 5
Fits well, good quality.
Good assortment for the price; clips fit well.
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Reviewed in the United States on March 10, 2026
★★★★★ 5
Good
Works great.
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Reviewed in the United States on January 11, 2026
★★★★★ 5
Noticeable Improvement in Engine Smoothness
Size: 150 ml, Pack of 1
I decided to try LIQUI MOLY Valve Clean to help keep the intake valves clean and maintain engine performance, and I’m really impressed with the results. After adding it to the fuel tank and running through a full tank of gas, the engine felt noticeably smoother and more responsive.
It’s very easy to use—just pour it into the fuel tank as directed. I also like that it’s from LIQUI MOLY, a brand known for high-quality automotive additives.
While it’s not a miracle fix for serious mechanical issues, it’s a great preventative maintenance product to help reduce deposits and keep the engine running efficiently. I plan to use it periodically as part of my regular maintenance routine.
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Reviewed in the United States on March 7, 2026
★★★★★ 5
Must have.
Size: 150 ml, Pack of 1
Very good product, works great.
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Reviewed in the United States on May 7, 2026
★★★★★ 5
Good for routine engine care
Size: 150 ml, Pack of 1
Definitely not a cure-all for major mechanical problems, but it works well as a preventative step. It helps lessen deposits and keeps the engine running smoothly. I intend to use it regularly as part of my maintenance schedule to keep everything in good shape.
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Reviewed in the United States on April 21, 2026