---
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: "S$81"
currency: SGD
in_stock: true
category: "Circle"
url: https://www.desertcart.sg/products/33157368-circle-6-pack-f13t5-ww-t5-fluorescent-3000k-warm-white
store_origin: SG
region: Singapore
---

# 20,000 hrs bulb life 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:** S$81
**Availability:** ✅ In Stock

## Summary

> ✨ Light up your space, and your status — because your workspace deserves the glow-up! 💼

## 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?** S$81 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/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, just brilliant light.
- • **Enduring Brightness:** Each bulb delivers 20,000 hours of consistent, warm illumination—6-pack totals 120,000 hours!
- • **Versatile Placement:** Ideal for kitchens, RVs, patios, and marine settings—upgrade any space with sleek, linear T5 tubes.
- • **Effortless Installation:** Plug-and-twist design for instant, hassle-free lighting upgrades.
- • **Warm & Inviting Ambiance:** 3000K color temperature creates cozy, professional under-counter lighting perfect for kitchens and workspaces.

## Overview

The Circle 6 Pack F13T5/WW T5 Fluorescent Bulbs offer 13 watts of energy-efficient 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-counter illumination. Designed for easy plug-and-twist installation, these bulbs are perfect for kitchens, RVs, patios, and marine use, backed by a 100% satisfaction guarantee and secure packaging.

## Description

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

## 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 |
| Additional Features | 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 |
| Best Sellers Rank | #4,032 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #7 in Fluorescent Tubes |
| Brand Name | Circle |
| Bulb Base | G5 |
| Bulb Diameter | 1.6 inches |
| Bulb Shape Size | T5 1/2 |
| Color | 3000 |
| Color Rendering Index | 80 |
| Color Temperature | 3000 Kelvin |
| Connectivity Technology | Normal bulb |
| Control Method | App |
| Controller Type | Push Button |
| Customer Reviews | 4.5 4.5 out of 5 stars (748) |
| Efficiency | High |
| Incandescent Equivalent Wattage | 60 watts |
| Included Components | 6 Pack Long life T5 Fluorescent Tubes, Perfect under the counter kitchen light bulbs |
| Indoor Outdoor Usage | Indoor |
| Item Dimensions W x H | 1.6"W x 2.5"H |
| Item Weight | 12.8 ounces |
| Light Color | Warm white |
| Light Source Operating Life | 120000 hours |
| Light Source Type | Fluorescent |
| Light Source Wattage | 13 watts |
| Light Type | Fluorescent |
| Manufacturer | Circle® |
| Manufacturer Part Number | F13T5/WW |
| Manufacturer Warranty Description | 1 year warranty. Please contact us if you have any issues. We offer 100% customer satisfaction on all our products! |
| Material Type | Glass |
| Model Number | F13T5/WW |
| Number of Items | 1 |
| Package Quantity | 6 |
| Power Consumption | 13 watts |
| Shape | Tubular(T) |
| Style Name | Modern |
| UPC | 030465196031 |
| Unit Count | 6 Count |
| Voltage | 120 volts |
| 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)

## Available Options

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

## Frequently Bought Together

- (6 Pack) F13T5/WW - T5 Fluorescent 3000K Warm White - 21" Linear - 13 Watt T5 - Under The Counter Light Bulbs
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- 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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**Shop now:** [https://www.desertcart.sg/products/33157368-circle-6-pack-f13t5-ww-t5-fluorescent-3000k-warm-white](https://www.desertcart.sg/products/33157368-circle-6-pack-f13t5-ww-t5-fluorescent-3000k-warm-white)

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*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-09-26*