---
product_id: 27682736
title: "Circle F8T5 CW Fluorescent Tube Bulb 12 Inch T5 Under Cabinet 8W 4100K 6 Pk"
brand: "circle"
price: "$34.24"
currency: USD
in_stock: true
category: "Circle"
url: https://www.desertcart.us/products/27682736-circle-f8t5-cw-fluorescent-tube-bulb-12-inch-t5-under
store_origin: US
region: United States of America
---

# 20,000 hours long-life rating 420 lumens crisp cool white Fits standard 12" T5 fixtures Circle F8T5 CW Fluorescent Tube Bulb 12 Inch T5 Under Cabinet 8W 4100K 6 Pk

**Brand:** circle
**Price:** $34.24
**Availability:** ✅ In Stock

## Summary

> 💡 Brighten your space, effortlessly and reliably.

## Quick Answers

- **What is this?** Circle F8T5 CW Fluorescent Tube Bulb 12 Inch T5 Under Cabinet 8W 4100K 6 Pk by circle
- **How much does it cost?** $34.24 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/27682736-circle-f8t5-cw-fluorescent-tube-bulb-12-inch-t5-under)

## 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

- • **Bulk Value Pack:** 6-pack bundle offers cost-effective, ready-to-install lighting with secure shipping protection.
- • **Energy Smart Choice:** Only 8 watts power consumption delivers bright 4100K cool white light efficiently.
- • **True Color Precision:** CRI 85 ensures vibrant, accurate lighting for kitchens, workshops, and displays where color matters.
- • **Endurance You Can Trust:** Rated for up to 20,000 hours, reducing replacements and maintenance hassle.
- • **Plug & Play Convenience:** G5 mini bi-pin base fits perfectly into existing T5 under-cabinet fixtures—no rewiring or electrician needed.

## Overview

The Circle F8T5 CW Fluorescent Tube Bulb is a 12-inch, 8W T5 fluorescent light delivering 420 lumens of crisp, flicker-free cool white light at 4100K with a CRI of 85. Designed for under-cabinet and similar fixtures with a G5 mini bi-pin base, it fits standard 12-inch T5 sockets without any rewiring. Rated for up to 20,000 hours, this energy-efficient bulb comes in a 6-pack, offering long-lasting, true-color illumination ideal for kitchens, workshops, RVs, and display areas.

## Description

Circle F8T5 CW Fluorescent Tube Bulb 12 Inch T5 Under Cabinet 8W 4100K 6 Pk | F8T5CW cool white 420 lumens, G5 mini bi-pin, 20,000 hr rated. Fits kitchen under counter, RV and marine fixtures - desertcart.com

## Features

- CRISP COOL WHITE, TRUE COLOR — 420 lumens of clean, flicker-free light with CRI 85 color accuracy for kitchens, workshops, RVs and display areas where seeing true color matters.
- EXACT 12" T5 UNDER-CABINET FIT — F8T5 with a G5 mini bi-pin base drops into standard 12-inch T5 under-cabinet and over-counter fixtures. Insert, twist, done.
- STANDARD FLUORESCENT — USES YOUR EXISTING BALLAST — Genuine T5 tube, not an LED retrofit. Works in fixtures that already run fluorescent bulbs. No rewiring, no electrician.
- RATED UP TO 20,000 HOURS — Long-life output for dependable lighting and fewer replacements across kitchen cabinets, RVs, marine fixtures and utility areas.
- 6-PACK VALUE, PACKED TO ARRIVE INTACT — Cost-effective multipack from Circle in protective packaging built to survive shipping. Trusted across thousands of buyer ratings.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B01E9VK7V2 |
| Accepted Voltage Frequency | 100 to 120 Volts and 50 Hertz |
| Additional Features | Energy Efficient |
| Best Sellers Rank | #1,927 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #1 in Fluorescent Tubes |
| Brand Name | Circle |
| Bulb Base | G5 |
| Bulb Diameter | 0.7 inches |
| Bulb Shape Size | T5 |
| Color | 4100 |
| Color Rendering Index | 85 |
| Color Temperature | 4100 Kelvin |
| Connectivity Technology | Normal bulb |
| Control Method | App |
| Controller Type | Push Button |
| Customer Reviews | 4.5 4.5 out of 5 stars (5,989) |
| Incandescent Equivalent Wattage | 8 watts |
| Indoor Outdoor Usage | Indoor |
| Item Dimensions W x H | 12"W x 0.7"H |
| Item Weight | 7.2 ounces |
| Light Color | White |
| Light Output Maximum | 420 lumens |
| Light Source Operating Life | 20000 hours |
| Light Source Type | Fluorescent |
| Light Source Wattage | 8 watts |
| Light Type | Fluorescent |
| Manufacturer | Circle |
| Manufacturer Part Number | FBA_H&PC-53164 |
| Manufacturer Warranty Description | This product is backed by a 1-year limited warranty covering manufacturer defects under normal installation and operating conditions. |
| Material Type | Glass |
| Model Name | F8T5 and F32T8/SP830 |
| Model Number | F8T5 and F32T8/SP830 |
| Number of Items | 6 |
| Package Quantity | 1 |
| Power Consumption | 8 watts |
| Shape | Tubular(T) |
| Specific Uses For Product | Decoration |
| UPC | 030465196192 |
| Unit Count | 6 Count |
| Voltage | 120 volts |
| Wattage | 8 watts |
| White Brightness | 420 lumens |

## Product Details

- **Brand:** Circle
- **Bulb Shape Size:** T5
- **Light Type:** Fluorescent
- **Special Feature:** Energy Efficient
- **Wattage:** 8 watts

## Images

![Circle F8T5 CW Fluorescent Tube Bulb 12 Inch T5 Under Cabinet 8W 4100K 6 Pk - Image 1](https://m.media-amazon.com/images/I/61T7SGQDcoL.jpg)

## Available Options

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

## Questions & Answers

**Q: What Voltage are these?**
A: These plug into standard 120 volt fixtures.

**Q: Can these bulbs be used with dc current fixtures in my rv**
A: As long as it is the standard 12 Volt DC fixture them it will replace the current bulbs.

**Q: My rv has bulbs with the t5, 8w, cw, 4000k will those here marked 4100k work instead?**
A: They should the 4000k vs 4100k is the color or whiteness of the light output.

**Q: What ballast should I order for these lights?**
A: No ballast required.

## Frequently Bought Together

- F8T5 Flourescent Light Bulbs - 12 inches Under Cabinet Bulb - Cool White 4100k 8 Watt Tube Bulb - Pack of 6
- (6 Pack) F13T5/CW - T5 Fluorescent 4100K Cool White - 21" Linear - 13 Watt T5 - Under The Counter Light Bulbs

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-09-30*