---
product_id: 33157368
title: "Circle (6 Pack) F13T5/WW - T5 Fluorescent 3000K Warm White - 21\" Linear - 13 Watt T5 - Under The Counter Light Bulbs"
brand: "circle"
price: "€ 52.28"
currency: EUR
in_stock: true
reviews_count: 13
category: "Circle"
url: https://www.desertcart.ie/products/33157368-circle-6-pack-f13t5-ww-t5-fluorescent-3000k-warm-white
store_origin: IE
region: Ireland
---

# 20,000 hrs per bulb lifespan 13W efficient power 3000K warm white glow Circle (6 Pack) F13T5/WW - T5 Fluorescent 3000K Warm White - 21" Linear - 13 Watt T5 - Under The Counter Light Bulbs

**Brand:** circle
**Price:** € 52.28
**Availability:** ✅ In Stock

## Summary

> ✨ Brighten your workspace, brighten your life! ✨

## Quick Answers

- **What is this?** Circle (6 Pack) F13T5/WW - T5 Fluorescent 3000K Warm White - 21" Linear - 13 Watt T5 - Under The Counter Light Bulbs by circle
- **How much does it cost?** € 52.28 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ie](https://www.desertcart.ie/products/33157368-circle-6-pack-f13t5-ww-t5-fluorescent-3000k-warm-white)

## Best For

- circle enthusiasts

## Why This Product

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

## Key Features

- • **Risk-Free Purchase:** Secure packaging plus a 100% satisfaction guarantee means zero worries and total confidence.
- • **Warm White Ambiance:** 3000K color temperature creates a cozy, professional atmosphere perfect for kitchens, offices, and creative spaces.
- • **Effortless Installation:** Plug-and-twist design for instant, hassle-free lighting upgrades.
- • **Long-Lasting Illumination:** Each bulb delivers 20,000 hours of warm, inviting light—totaling 120,000 hours in this 6-pack.
- • **Versatile Under-Cabinet Use:** Ideal for kitchens, RVs, patios, and marine settings—upgrade any space with sleek, linear lighting.

## Overview

The Circle (6 Pack) F13T5/WW fluorescent bulbs offer efficient 13-watt power with a warm 3000K color temperature, delivering 850 lumens of cozy light. Each 21-inch tubular bulb lasts up to 20,000 hours, making this pack a total of 120,000 hours of reliable, under-cabinet illumination. Designed for easy plug-and-twist installation, these bulbs are perfect for kitchens, RVs, patios, and more, backed by secure packaging and a 100% satisfaction guarantee.

## Description

Circle (6 Pack) F13T5/WW - T5 Fluorescent 3000K Warm White - 21" Linear - 13 Watt T5 - Under The Counter Light Bulbs - desertcart.com

Review: Fluorescent Tubes - A good product, fair price and great service.
Review: Easy peasy light fix. - Nice to have the under counter lights back and they work perfectly.

## Features

- BULB SPECIFICATIONS: These fluorescent bulbs, model number F13T5/WW , come in a 6 pack. It uses 13 watts to give a nice spread of light. It is a Warm white color, 3000K. The bulbs are tubular and are 21" long.
- EASY & QUICK INSTALL: These linear bulbs come with 2 pins at each end so that you can just pop it into the socket and twist it into place. Easy to install and immediately lights up your home so that it looks fantastic.
- LONG LIFETIME VALUE PACK: Each bulb gives you an average of 20,000 hours of light. With this 6 pack, you get a total of 120,000 hours of light! With our brand, you enjoy a lot of comfortable light without the premium price.
- MULTI-PURPOSE APPLICATIONS: The under-counter bulbs are most often used in the kitchen and in an RV. Also used on the patio, in many marine applications and for the lighting fixture under any cabinetry.
- PACKAGING GUARANTEE: We use secure packaging materials so you get the bulbs you ordered, not broken glass. Still nervous? We offer a 100% refund for any damages. We know our bulbs are transit-safe and delivered headache free.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B01EDN88QW |
| Accepted voltage frequency | 100 to 120 Volts and 60 Hertz |
| Average Life | 120000 Hours |
| Best Sellers Rank | #2,556 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #3 in Fluorescent Tubes |
| Brand | Circle |
| Brightness | 850 Lumen |
| Bulb Base | G5 |
| Bulb Diameter | 1.6 Inches |
| Bulb Shape Size | T5 1/2 |
| Color | 3000 |
| Color Rendering Index | 80 |
| Color Temperature | 3000 Kelvin |
| Control Method | App |
| Customer Reviews | 4.5 4.5 out of 5 stars (2,459) |
| Date First Available | April 17, 2016 |
| Efficiency | High |
| Incandescent Equivalent Wattage | 60 Watts |
| Indoor/Outdoor Usage | Indoor |
| Is Discontinued By Manufacturer | No |
| Item Package Quantity | 6 |
| Item Weight | 12.8 ounces |
| Item model number | F13T5/WW |
| Light Color | Warm white |
| Light Output Maximum | 850 Lumens |
| Light Source Type | Fluorescent |
| Light Source Wattage | 13 Watts |
| Light Type | Fluorescent |
| Manufacturer | Circle® |
| Material | Glass |
| Number of Items | 1 |
| Power Consumption | 13 Watts |
| Power Source | Corded Electric |
| Product Dimensions | 1.6"W x 2.5"H |
| Shape | Tubular(T) |
| Special Feature | Circle® HAPPY CUSTOMERS GUARANTEE If for whatever reason you're dissatisfied with your order, simply contact us and we'll do whatever we can to make things right. All of our bulbs come with a 100% Satisfaction Guarantee!, Instant On, Quality Compares to any Major Brand, Under cabinet lighting |
| Style | Modern |
| UPC | 030465196031 |
| Unit Count | 6.0 Count |
| Wattage | 13 watts |
| White Brightness | 850 Lumens |

## Product Details

- **Brand:** Circle
- **Bulb Shape Size:** T5 1/2
- **Light Type:** Fluorescent
- **Wattage:** 13 watts

## Images

![Circle (6 Pack) F13T5/WW - T5 Fluorescent 3000K Warm White - 21" Linear - 13 Watt T5 - Under The Counter Light Bulbs - Image 1](https://m.media-amazon.com/images/I/61T7SGQDcoL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Fluorescent Tubes
*by A***A on December 29, 2025*

A good product, fair price and great service.

### ⭐⭐⭐⭐⭐ Easy peasy light fix.
*by D***S on January 15, 2026*

Nice to have the under counter lights back and they work perfectly.

### ⭐⭐⭐⭐⭐ Good value for the money
*by S***M on September 26, 2025*

All the bulbs worked, and the light is great! Good value for the money. Better prices than the brick and mortar stores! There was no flickering coming from any of the bulbs (needed 1, but tried all 6)! Just started using the bulbs, so I don't know how long a lifespan they have.

## Frequently Bought Together

- (6 Pack) F13T5/WW - T5 Fluorescent 3000K Warm White - 21" Linear - 13 Watt T5 - Under The Counter Light Bulbs
- F8T5 Fluorescent Light Bulbs - 12" Under Cabinet Bulb - Warm White 3000k 8 Watt Tube Bulb - Pack of 6
- Konideke 8 Pack F8T5/WW Fluorescent Bulbs Warm White, 12 inch Under Cabinet Light Bulb, T5 8 Watt Fluorescent Tube Soft White, G5 Mini Bi 460 Lumens No Dimmable

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*Product available on Desertcart Ireland*
*Store origin: IE*
*Last updated: 2026-02-27*