---
product_id: 617795401
title: "4 Pack F13T5/WW 13W T5 21\" Warm White 3000k Fluorescent Light Bulb 20,000hr"
brand: "unique bulbs"
price: "₨22699"
currency: LKR
in_stock: true
reviews_count: 13
category: "Unique Bulbs"
url: https://www.desertcart.lk/products/617795401-4-pack-f13t5-ww-13w-t5-21-warm-white-3000k
store_origin: LK
region: Sri Lanka
---

# 20,000 Hours Lifespan 880 Lumens Brightness Universal 100-240V Compatibility 4 Pack F13T5/WW 13W T5 21" Warm White 3000k Fluorescent Light Bulb 20,000hr

**Brand:** unique bulbs
**Price:** ₨22699
**Availability:** ✅ In Stock

## Summary

> 💡 Light up your space, not your bills — long-lasting warmth that works as hard as you do!

## Quick Answers

- **What is this?** 4 Pack F13T5/WW 13W T5 21" Warm White 3000k Fluorescent Light Bulb 20,000hr by unique bulbs
- **How much does it cost?** ₨22699 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.lk](https://www.desertcart.lk/products/617795401-4-pack-f13t5-ww-13w-t5-21-warm-white-3000k)

## Best For

- unique bulbs enthusiasts

## Why This Product

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

## Key Features

- • **Endurance Champion:** With an impressive 20,000-hour lifespan, these bulbs outlast typical fluorescents, reducing replacements and hassle.
- • **Brilliant Warm Glow:** 3000K warm white light creates a cozy, inviting ambiance perfect for professional and home spaces alike.
- • **Sleek Industrial Style:** Slim 21-inch T5 tubular design fits modern fixtures, elevating your workspace or living area with subtle sophistication.
- • **Energy-Smart Efficiency:** Consumes just 13 watts while delivering 880 lumens, balancing brightness with eco-conscious power use.
- • **Plug & Play Versatility:** G5 mini bi-pin base and wide voltage range (100-240V) ensure seamless installation and compatibility worldwide.

## Overview

This 4-pack of F13T5/WW 13W T5 fluorescent tubes delivers a warm 3000K light with 880 lumens brightness, designed for indoor use with a compact G5 mini bi-pin base. Boasting a remarkable 20,000-hour lifespan and compatibility with 100-240V power sources, these 21-inch bulbs combine energy efficiency with enduring performance, ideal for professional and home environments seeking reliable, cozy illumination.

## Description

F13T5/WW Warm White Replacment Lamp*. Watt - 13, Type - T5, Color - Warm White 3000K Kelvin, Base - Mini Bi-Pin (G5), Lumens - 880, Length - 21", Life - 20,000 Hours, Great Quality & X-Long Life

Review: Great Product - The bulbs arrived and were in perfect condition. The warm light is perfect for under counter lighting.
Review: Replacement bulbs - Great price for product perfect replacement

## Features

- F13T5/Warm White Pack of 4
- 21" Straight T5 Fluorescent Tube
- 12,000 Life Hours, G5 Mini Bi-Pin Base
- 3000K
- 13 Watt

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CPND3CT9 |
| Accepted voltage frequency | 100 to 240 Volts and 60 Hertz |
| Average Life | 20000 Hours |
| Batteries Included? | No |
| Batteries Required? | No |
| Best Sellers Rank | #30,886 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #161 in Fluorescent Tubes |
| Brand | Unique Bulbs |
| Brightness | 880 Lumen |
| Bulb Base | G5 |
| Bulb Shape Size | T5 1/2 |
| Color | White |
| Color Temperature | 3000 Kelvin |
| Control Method | App |
| Customer Reviews | 4.3 4.3 out of 5 stars (1,482) |
| Date First Available | December 6, 2023 |
| Efficiency | high |
| Included Components | Lamp |
| Indoor/Outdoor Usage | Indoor |
| Item Weight | 8.6 ounces |
| Light Color | Warm White |
| Light Output Maximum | 880 Lumens |
| Light Source Type | Fluorescent |
| Light Source Wattage | 8 Watts |
| Light Type | Fluorescent |
| Manufacturer | Unique Bulbs |
| Material | copper |
| Number of Items | 4 |
| Package Dimensions | 21.25 x 2.48 x 2.48 inches |
| Power Consumption | 13 Watts |
| Power Source | Corded Electric |
| Shape | Tubular(T) |
| Special Feature | Long Lasting |
| Special Features | Long Lasting |
| Style | Industrial |
| Unit Count | 4.0 Count |
| Wattage | 8 Watts |
| White Brightness | 880 Lumens |

## Product Details

- **Brand:** Unique Bulbs
- **Bulb Shape Size:** T5 1/2
- **Light Type:** Fluorescent
- **Special Feature:** Long Lasting
- **Wattage:** 13 watts

## Images

![4 Pack F13T5/WW 13W T5 21" Warm White 3000k Fluorescent Light Bulb 20,000hr - Image 1](https://m.media-amazon.com/images/I/61Rr+XNln+L.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great Product
*by D***N on August 4, 2025*

The bulbs arrived and were in perfect condition. The warm light is perfect for under counter lighting.

### ⭐⭐⭐⭐⭐ Replacement bulbs
*by R***S on January 15, 2026*

Great price for product perfect replacement

### ⭐⭐⭐⭐⭐ Works perfectly
*by F***N on July 25, 2025*

Perfect

---

## 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.lk/products/617795401-4-pack-f13t5-ww-13w-t5-21-warm-white-3000k](https://www.desertcart.lk/products/617795401-4-pack-f13t5-ww-13w-t5-21-warm-white-3000k)

---

*Product available on Desertcart Sri Lanka*
*Store origin: LK*
*Last updated: 2026-02-23*