---
product_id: 12863515
title: "KOR F13T5/CW T5 Fluorescent Tubes, 13W, 4100K Cool White, 6-Pack | 21-inch Length with 900 Lumens and Up to 15,000 Hours, 2 Pins at Each End for Under-cabinet, Under-counter and RV Lights."
brand: "kor"
price: "47661CFA"
currency: XOF
in_stock: true
reviews_count: 13
category: "Kor"
url: https://www.desertcart.sn/products/12863515-kor-f13t5-cw-t5-fluorescent-tubes-13w-4100k-cool-white
store_origin: SN
region: Senegal
---

# 15,000 hours super long life 900 lumens bright cool white 13W energy-efficient power KOR F13T5/CW T5 Fluorescent Tubes, 13W, 4100K Cool White, 6-Pack | 21-inch Length with 900 Lumens and Up to 15,000 Hours, 2 Pins at Each End for Under-cabinet, Under-counter and RV Lights.

**Brand:** kor
**Price:** 47661CFA
**Availability:** ✅ In Stock

## Summary

> 💡 Light up your life with brilliance that lasts!

## Quick Answers

- **What is this?** KOR F13T5/CW T5 Fluorescent Tubes, 13W, 4100K Cool White, 6-Pack | 21-inch Length with 900 Lumens and Up to 15,000 Hours, 2 Pins at Each End for Under-cabinet, Under-counter and RV Lights. by kor
- **How much does it cost?** 47661CFA with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sn](https://www.desertcart.sn/products/12863515-kor-f13t5-cw-t5-fluorescent-tubes-13w-4100k-cool-white)

## Best For

- kor enthusiasts

## Why This Product

- Trusted kor brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Energy-Smart Design:** Low 13-watt consumption means bright lighting without the high energy bills.
- • **Versatile & Stylish:** Perfect for under-cabinet, RV, or workspace lighting—blend function with sleek design.
- • **Long-Lasting Performance:** Enjoy up to 15,000 hours of continuous light—less hassle, more productivity.
- • **Plug & Play Installation:** Simple 2-pin twist-in setup gets your kitchen or office glowing in seconds.
- • **Effortless Brightness Upgrade:** Illuminate your space with a crisp 4100K cool white glow that enhances focus and ambiance.

## Overview

This pack of six 21-inch T5 fluorescent tubes delivers a bright 4100K cool white light at 900 lumens using just 13 watts each. Designed for easy installation and up to 15,000 hours of continuous use, these energy-efficient bulbs are ideal for kitchens, offices, and under-cabinet lighting, combining longevity with crisp, eye-friendly illumination.

## Description

Product description

Review: Good value and they last farily long - These are my "go to" replacement fluorescent bulbs for my kitchen undercounter fixtures. I have five in my kitchen and I'm in a townhouse so my kitchen is pretty dark. We burn these almost continuously and they last for months and months.
Review: Excellent product - Just as advertised..very satisfied

## Features

- Bulb Specifications: This pack includes 6 F13T5/CW fluorescent tubes, each 21" in length (measured from pin to pin). Each bulb uses 13 watts and provides 900 lumens of light.
- Color Temperature: Features a 4100K Cool White Light color which creates a crystal clear, Cool White GLOW and eye-friendly ambience to your kitchen office and is perfect for household lighting.
- Easy Installation: F13T5 CW linear bulbs have 2 pins at each end. Simply just push into the 2 side sockets and then twist to hold into place then flip on the switch to light up your home or kitchen.
- Continuous Light: Up to 15,000 hours of continuous light which will take away the hassle to change your bulbs so often.
- Applications: These T5 fluorescent tubes are commonly used in under-cabinet or under-counter lights in your kitchen and in RV as well as various other applications.
- Packaging: We use protective packing materials to ensure safe shipping. In the event of any damage, please contact customer service. Our goal is to provide a hassle-free transaction.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00TJ6XL3Y |
| Accepted Voltage Frequency | 100 to 120 Volts and 60 Hertz |
| Additional Features | Energy Efficient |
| Best Sellers Rank | #7,574 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #17 in Fluorescent Tubes |
| Brand | KOR |
| Brand Name | KOR |
| Bulb Base | G13 |
| Bulb Shape Size | T5 1/2 |
| Color | Cool White (4100k) |
| Color Rendering Index | 900 |
| Color Temperature | 6500 Kelvin |
| Connectivity Technology | Normal bulb |
| Control Method | App |
| Controller Type | Push Button |
| Customer Reviews | 4.5 out of 5 stars 3,531 Reviews |
| Efficiency | Efficient |
| Incandescent Equivalent Wattage | 13 Watts |
| Indoor Outdoor Usage | Indoor |
| Item Weight | 0.8 Pounds |
| Light Color | Cool White |
| Light Output Maximum | 900 Lumens |
| Light Source Operating Life | 15000 Hours |
| Light Source Type | Fluorescent |
| Light Source Wattage | 13 Watts |
| Light Type | Fluorescent |
| Manufacturer | KOR |
| Manufacturer Part Number | K25674 |
| Material Type | copper |
| Model Name | K25674 |
| Model Number | K25674 |
| Number of Items | 6 |
| Package Quantity | 1 |
| Power Consumption | 13 Watts |
| Power Source | Corded Electric |
| Shape | Tubular(T) |
| Special Feature | Energy Efficient |
| Specific Uses For Product | Under-cabinet or under-counter lighting |
| Style Name | Classic |
| UPC | 817300020528 |
| Unit Count | 6.0 Count |
| Voltage | 120 Volts |
| Wattage | 13 watts |
| White Brightness | 900 Lumens |

## Product Details

- **Brand:** KOR
- **Light Type:** Fluorescent
- **Wattage:** 13 watts
- **Bulb Shape Size:** T5 1/2
- **Incandescent Equivalent Wattage:** 13 Watts

## Images

![KOR F13T5/CW T5 Fluorescent Tubes, 13W, 4100K Cool White, 6-Pack | 21-inch Length with 900 Lumens and Up to 15,000 Hours, 2 Pins at Each End for Under-cabinet, Under-counter and RV Lights. - Image 1](https://m.media-amazon.com/images/I/71BkgnkJ+IL.jpg)

## Available Options

This product comes in different **Color** options.

## Questions & Answers

**Q: whats the difference between cool light, warm light and daylight????**
A: Warm white and soft white will produce a yellow hue, close to incandescents, while bulbs labeled as cool/bright white will produce a whiter light, closer to daylight and similar to what you see in retail stores.  The three primary types of color temperature for light bulbs are: Soft/warm White (2700K – 3000K), Cool/Bright White (3500K – 4100K), and Daylight (5000K – 6500K). The higher the Degrees Kelvin, the whiter the color temperature.  Typically, most people prefer Warm White (WW = 3000K) bulbs for their homes.

**Q: are 20 inch led fluorescent light tubes made?**
A: I'm not aware of a 20" bulb and a quick internet search didn't reveal any. I've found measurements misleading to an extent. You might measure your old bulb. It might actually be a 21" bulb. It seems to me that the pins are often included in, or at least partially included, in the total measurement.

**Q: is it slim?**
A: Yes they are very slim. I purchased them for an under cabinet/over counter light fixture.

**Q: Are the ends round?  I bought one that the ends were oval & they won’t fit.**
A: My ends are oval.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Good value and they last farily long
*by A***E on December 12, 2025*

These are my "go to" replacement fluorescent bulbs for my kitchen undercounter fixtures. I have five in my kitchen and I'm in a townhouse so my kitchen is pretty dark. We burn these almost continuously and they last for months and months.

### ⭐⭐⭐⭐⭐ Excellent product
*by S***T on March 29, 2026*

Just as advertised..very satisfied

### ⭐⭐⭐⭐⭐ Excellent
*by B***. on February 20, 2026*

Tested all of them and working very good. I will buy again if I needed in the future.

## Frequently Bought Together

- KOR (Pack of 6) F13T5/CW - T5 Fluorescent 4100K Cool White - 13 Watt - 21" Super Long Life Light Bulbs
- F8T5 Flourescent Light Bulbs - 12 inches Under Cabinet Bulb - Cool White 4100k 8 Watt Tube Bulb - Pack of 6
- KOR (Pack of 6) F8T5/CW - T5 Fluorescent 4100K Cool White - 8 Watt - 12" Super Long Life Light Bulbs

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*Product available on Desertcart Senegal*
*Store origin: SN*
*Last updated: 2026-07-30*