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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. |
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4.6 ★★★★★
Based on 26 reviews
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Product Reviews
★★★★★ 5
Agentic Coding - all the right pieces in the right places
Format: Paperback
Before obtaining a copy of this book, I had not yet become familiar with Claude Code and didn't realize how robust AI Pair Programming is now. However, I did know and have rigorously promoted the absolute importance of Context (via Context Engineering) in any AI-prompted tasks, including coding. This book brings all of that together in an incredibly useful book (dare I say... a comprehensive toolkit and handbook) for AI-prompted coding in these multiple modalities: IDE, command-line, and pair programming. It covers memory management, agents, subagents, multiple-agent systems, context-sharing, orchestration, enforcement of coding standards, code maintenance, and more - for executing AI-assisted development with confidence. I highly recommend this book.
Disclosure: the publisher provided me with a free review copy of the book.
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Reviewed in the United States on May 19, 2026
★★★★★ 5
Perfect size for me
Color: Light Color Series, Style: Waffle Pattern, Color: Light Color Series, Style: Waffle Pattern
Washed the cloths before use with just detergent. Pretty much stayed it shape and fluffy texture. It lathers well with any soap and drys fast. Love the texture size more than the exfoliating size. Texture side is great for sensitive face cleaning. The exfoliating side did soften after repeated use. I feel it is still little to rough for the face, but great for the body.
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Reviewed in the United States on June 18, 2025
★★★★★ 5
Great quality
Color: Light Color Series, Style: Waffle Pattern
These are a bit oversized compared to regular washcloths but that makes it easier when exfoliating your own back.
The one side is soft and plush. They are easy to wring out.
They wash up nicely. I use a linen bag when washing them but it's not necessary.
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Reviewed in the United States on May 3, 2025
★★★★★ 5
Wash cloth is covered with exfoliating mesh
Color: Dark Color Series, Style: Mesh Pattern
great size, washes well and exactly what I wanted.
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Reviewed in the United States on March 14, 2026
★★★★★ 5
Exactly what we wanted.
Color: Dark Color Series, Style: Mesh Pattern
These wash up well. Love the exfoliation side for my legs. Helps my husband get grease from work off. Soft, yet sturdy. Highly recommend.
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Reviewed in the United States on April 25, 2024