---
product_id: 485803700
title: "SYLVANIA (2 Pack) 23521 Cool White Premium Circline Fluorescent T9 Circle 12 inch Diameter, 32 watts, 4100K, 1800 lumens, 80 CRI Fluorescent Light Bulb"
brand: "sylvania"
price: "VT13668"
currency: VUV
in_stock: true
reviews_count: 8
url: https://www.desertcart.vu/products/485803700-sylvania-2-pack-23521-cool-white-premium-circline-fluorescent-t9
store_origin: VU
region: Vanuatu
---

# 32 watts power efficient 1800 lumens brightness 12 inch circular T9 design SYLVANIA (2 Pack) 23521 Cool White Premium Circline Fluorescent T9 Circle 12 inch Diameter, 32 watts, 4100K, 1800 lumens, 80 CRI Fluorescent Light Bulb

**Brand:** sylvania
**Price:** VT13668
**Availability:** ✅ In Stock

## Summary

> 💡 Illuminate your workspace with style and efficiency!

## Quick Answers

- **What is this?** SYLVANIA (2 Pack) 23521 Cool White Premium Circline Fluorescent T9 Circle 12 inch Diameter, 32 watts, 4100K, 1800 lumens, 80 CRI Fluorescent Light Bulb by sylvania
- **How much does it cost?** VT13668 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/products/485803700-sylvania-2-pack-23521-cool-white-premium-circline-fluorescent-t9)

## 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

- • **Perfect Dual Pack:** Two bulbs included to upgrade multiple spaces or keep a backup handy
- • **Sleek Circular Design:** 12-inch T9 circline shape fits modern fixtures with style
- • **Energy-Smart Efficiency:** Consumes just 32 watts while delivering 1800 lumens brightness
- • **Long-Lasting Performance:** Up to 12,000 hours of reliable, flicker-free illumination
- • **Brilliant Cool White Glow:** 4100K color temperature for crisp, professional lighting

## Overview

The SYLVANIA 23521 2-pack features 12-inch diameter T9 circline fluorescent bulbs delivering 1800 lumens of cool white light at 4100K. With 32 watts power consumption and an 80 CRI, these bulbs offer energy-efficient, bright, and natural lighting ideal for professional indoor environments. Each bulb lasts up to 12,000 hours, making this pack a smart, long-term lighting solution.

## Description

Sylvania 23521 (2 Pack) FC12T9 32-Watt 12 inch Fluorescent Circular Light Bulb, 4100K Cool White, 1800 lumens, T9 Fluorescent Light Bulb, G10Q 4-pin base

## Features

- T9 , 12 inch diameter
- 4100K Cool White
- 1800 lumens
- 32 watts
- 2 light bulbs

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | SYLVANIA |
| Light Type | Fluorescent |
| Special Feature | 29.98 |
| Wattage | 32 watts |
| Bulb Shape Size | T |
| Incandescent Equivalent Wattage | 75 Watts |
| Specific Uses For Product | Lamp |
| Light Color | Cool White |
| Unit Count | 2.0 Count |
| Color Temperature | 4100 Kelvin |
| Number of Items | 2 |
| Brightness | 1800 Lumen |
| Shape | Tubular(T) |
| Material | copper |
| Indoor/Outdoor Usage | Indoor |
| Power Source | Corded Electric |
| Color Rendering Index | 80 |
| Power Consumption | 32 Watts |
| Light Source Type | Fluorescent |
| Light Source Wattage | 32 Watts |
| Product Dimensions | 12"W x 12"H |
| Accepted voltage frequency | 100 to 120 Volts and 60 Hertz |
| Control Method | App |
| Average Life | 12000 Hours |
| White Brightness | 1800 Lumens |
| Efficiency | 56.25 lumens/watt |
| Color | White |
| UPC | 046135235214 |
| Part Number | 23521 |
| Item Weight | 1.21 pounds |
| Item model number | 23521 |
| Special Features | 29.98 |
| Batteries Included? | No |
| Batteries Required? | No |
| Wattage | 32 Watts |

## Product Details

- **Brand:** SYLVANIA
- **Light Type:** Fluorescent
- **Special Feature:** 29.98
- **Wattage:** 32 watts
- **Bulb Shape Size:** T

## Images

![SYLVANIA (2 Pack) 23521 Cool White Premium Circline Fluorescent T9 Circle 12 inch Diameter, 32 watts, 4100K, 1800 lumens, 80 CRI Fluorescent Light Bulb - Image 1](https://m.media-amazon.com/images/I/31kFeVN6xVL.jpg)
![SYLVANIA (2 Pack) 23521 Cool White Premium Circline Fluorescent T9 Circle 12 inch Diameter, 32 watts, 4100K, 1800 lumens, 80 CRI Fluorescent Light Bulb - Image 2](https://m.media-amazon.com/images/I/71PeD-jB3mL.jpg)
![SYLVANIA (2 Pack) 23521 Cool White Premium Circline Fluorescent T9 Circle 12 inch Diameter, 32 watts, 4100K, 1800 lumens, 80 CRI Fluorescent Light Bulb - Image 3](https://m.media-amazon.com/images/I/210DNdDn0EL.jpg)
![SYLVANIA (2 Pack) 23521 Cool White Premium Circline Fluorescent T9 Circle 12 inch Diameter, 32 watts, 4100K, 1800 lumens, 80 CRI Fluorescent Light Bulb - Image 4](https://m.media-amazon.com/images/I/81q9KRqn6ZL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ I’m just a guy, standing in front of a light bulb, asking it to light our kitchen
*by L***R on March 30, 2024*

This was my first time replacing our kitchen overhead light since we bought our house, and I didn’t anticipate until I removed the bulb cover that it would require two circular halogen bulbs. However, these fit the balice perfectly and were easy to install, and they’ve have worked for the last couple months or so since I put them in. They seem to be good quality. They are very bright, though, which I personally like for the kitchen space, but if you’re looking for something warmer toned for a living room or something, I’d go for the lower lumen (or whatever it’s called; electricians, please don’t come for me 😂).

### ⭐⭐⭐⭐⭐ Works Perfect
*by V***S on August 22, 2025*

I received my first order with one of the bulbs broken. I did a return and reorder, it was easy I brought the box to Staples. I received the replacement bulbs, and installed the bulbs. They are amazing, work great, and are bright.

### ⭐⭐⭐⭐⭐ Excellent Light Bulbs
*by B***E on October 29, 2023*

These replacement bulbs work perfectly in an old fixture we have. I have never replaced a round tube fluorescent, but they are actually very easy to accomplish. The light quality of the new bulb is exactly what I hoped for.

---

## 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.vu/products/485803700-sylvania-2-pack-23521-cool-white-premium-circline-fluorescent-t9](https://www.desertcart.vu/products/485803700-sylvania-2-pack-23521-cool-white-premium-circline-fluorescent-t9)

---

*Product available on Desertcart Vanuatu*
*Store origin: VU*
*Last updated: 2026-03-15*