---
product_id: 29663839
title: "21879 - FBO31/841-31 Watt T8 U-Bent Fluorescent Light Bulb, 4100K"
brand: "sylvania"
price: "A$48"
currency: AUD
in_stock: true
reviews_count: 7
url: https://www.desertcart.com.au/products/29663839-21879-fbo31-841-31-watt-t8-u-bent-fluorescent-light
store_origin: AU
region: Australia
---

# Lifetime: 20,000 hrs Lumens: 2725 Color Temp: 4100K 21879 - FBO31/841-31 Watt T8 U-Bent Fluorescent Light Bulb, 4100K

**Brand:** sylvania
**Price:** A$48
**Availability:** ✅ In Stock

## Summary

> 💡 Light Up Your Life with Style!

## Quick Answers

- **What is this?** 21879 - FBO31/841-31 Watt T8 U-Bent Fluorescent Light Bulb, 4100K by sylvania
- **How much does it cost?** A$48 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.au](https://www.desertcart.com.au/products/29663839-21879-fbo31-841-31-watt-t8-u-bent-fluorescent-light)

## Best For

- sylvania enthusiasts

## Why This Product

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

## Key Features

- • **Eco-Friendly Choice:** Reduce energy consumption while enhancing your environment.
- • **Illuminate Your Space:** Transform any room with a bright, crisp light.
- • **Brilliant Light Output:** Experience 2725 lumens for vibrant visibility.
- • **Color Accuracy Matters:** Achieve true-to-life colors with a CRI of 82.
- • **Longevity You Can Trust:** Enjoy 20,000 hours of reliable performance.

## Overview

The SYLVANIA 21879 T8 U-Bent Fluorescent Light Bulb offers a perfect blend of efficiency and brightness, featuring a color temperature of 4100K, an impressive lifespan of 20,000 hours, and a luminous output of 2725 lumens, making it an ideal choice for both home and office settings.

## Description

SYLVANIA21879 21879-FBO31/841-31 Watt T8 U-Bent Fluorescent Light Bulb, 4100K, 1 Count (Pack of 1)

## Features

- Color Temperature: 4,100K
- Average Lifetime: 20000 hours
- Lumens (light output): 2725
- CRI: 82

## Images

![21879 - FBO31/841-31 Watt T8 U-Bent Fluorescent Light Bulb, 4100K - Image 1](https://m.media-amazon.com/images/I/41p9UIccD8L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ 







  
  
    They were hard to find and they fit and work well!
  

*by R***. on Reviewed in the United States on November 21, 2022*

Easy to install

### ⭐⭐⭐⭐⭐ 







  
  
    Highly recommended for store lights
  

*by S***O on Reviewed in the United States on June 20, 2018*

My parents own a store, and this kind of lights with the spectrum is not easy to come by both online and offline with this kind of a price.  Planning on ordering bulk again soon.

### ⭐⭐⭐⭐ 







  
  
    He was glad to know I found it for him
  

*by A***2 on Reviewed in the United States on July 11, 2014*

This item was personal  for another one of our employees. He was glad  to know  I found it for him.No complaints.Thank you.

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.com.au/products/29663839-21879-fbo31-841-31-watt-t8-u-bent-fluorescent-light](https://www.desertcart.com.au/products/29663839-21879-fbo31-841-31-watt-t8-u-bent-fluorescent-light)

---

*Product available on Desertcart Australia*
*Store origin: AU*
*Last updated: 2026-02-03*