---
product_id: 50102151
title: "Crompton Lamps 40W T9 Fluorescent Circular 4 Pin Light Bulbs | Cool White 4000K | Energy Efficient Tube | Long-Lasting 10,000 Hours | GR10q Base for Magnifiers & Ceiling Lights"
brand: "crompton lamps"
price: "2230669₫"
currency: VND
in_stock: true
reviews_count: 8
category: "Crompton Lamps"
url: https://www.desertcart.vn/products/50102151-crompton-lamps-40w-t9-fluorescent-circular-4-pin-light-bulbs
store_origin: VN
region: Vietnam
---

# 10,000 hours long-lasting life 40W power for bright output GR10q 4-pin easy installation Crompton Lamps 40W T9 Fluorescent Circular 4 Pin Light Bulbs | Cool White 4000K | Energy Efficient Tube | Long-Lasting 10,000 Hours | GR10q Base for Magnifiers & Ceiling Lights

**Brand:** crompton lamps
**Price:** 2230669₫
**Availability:** ✅ In Stock

## Summary

> 💼 Illuminate your productivity with professional-grade brilliance!

## Quick Answers

- **What is this?** Crompton Lamps 40W T9 Fluorescent Circular 4 Pin Light Bulbs | Cool White 4000K | Energy Efficient Tube | Long-Lasting 10,000 Hours | GR10q Base for Magnifiers & Ceiling Lights by crompton lamps
- **How much does it cost?** 2230669₫ with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/50102151-crompton-lamps-40w-t9-fluorescent-circular-4-pin-light-bulbs)

## Best For

- crompton lamps enthusiasts

## Why This Product

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

## Key Features

- • **Flicker-Free Focus:** Advanced triphosphor tech delivers stable, flicker-free light with CRI >80 for true color accuracy
- • **Plug & Play Installation:** Secure GR10q 4-pin base ensures hassle-free setup in magnifiers, ceiling lights, and inspection lamps
- • **Energy-Smart & Cost-Effective:** Consumes just 40W while maximizing brightness, reducing energy bills and environmental impact
- • **Precision Cool White Lighting:** 4000K crisp illumination perfect for detailed work and professional settings
- • **Endurance That Works as Hard as You:** Up to 10,000 hours of reliable, maintenance-free lighting to keep your workspace uninterrupted

## Overview

The Crompton 40W T9 Circular Fluorescent Lamp offers bright, cool white 4000K light with a long 10,000-hour lifespan. Featuring a GR10q 4-pin base for easy installation, it delivers flicker-free, energy-efficient illumination ideal for precision tasks in offices, salons, and inspection environments.

## Description

Product Description Circular Triphosphorous fluorescent tubes with 29mm tube diameter for use with decorative luminaires, offering energy efficiency and value for money. 10,000 hour life. SPECTRA-PLUS Triphosphorous. Excellent colour rendering and high lumen maintenance. Box Contains Light Bulb

Review: The Shining 😁 - Excellent, really easy to fit and works perfectly. These bulbs last for a long time.
Review: Good light bulbs - It was good

## Features

- Bright, Cool White Illumination – These T9 circular fluorescent light tubes deliver a crisp 4000K cool white output, providing clear, bright lighting ideal for detailed tasks and precision work.
- Long-Lasting Performance – This durable 22W fluorescent tube lasts up to 10,000 hours, reducing the need for frequent replacements, making it ideal for workspaces, offices, and commercial settings.
- Easy 4-Pin Installation – Fitted with a GR10q 4-pin square push-fit base, ensuring quick and secure installation in compatible inspection lamps, magnifiers, and circular ceiling lights.
- Professional-Grade Lighting – Ideal for magnifying lamps, medical inspections, beauty salons, and detailed craftsmanship, these cool white fluorescent lights ensures even, shadow-free lighting.
- Energy-Efficient & Flicker-Free – Triphosphor technology ensures bright, stable lighting with CRI >80, reducing flicker and making it a great upgrade from older fluorescent or neon tubes.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0058K00L6 |
| Average Life | 10000 Hours |
| Batteries Required? | No |
| Batteries included? | No |
| Best Sellers Rank | 2,172 in Lighting ( See Top 100 in Lighting ) 47 in Fluorescent & Neon Tubes |
| Brand | Crompton Lamps |
| Bulb Diameter | 29 Millimetres |
| Cap Type | E40 |
| Colour | Multicolor |
| Colour Temperature | 6500 Kelvin |
| Customer Reviews | 4.6 4.6 out of 5 stars (284) |
| Date First Available | 21 May 2012 |
| Finish types | glass |
| Guaranteed software updates until | unknown |
| Incandescent Equivalent | 40 Watts |
| Item Weight | 368 g |
| Item model number | CIR40SPCW |
| Luminous Flux | 3150 Lumen |
| Manufacturer | Crompton Lamps |
| Material | Glass |
| Number of Items | 1 |
| Part Number | CIR40SPCW |
| Power and Plug Description | electrical |
| Product Dimensions | 34.17 x 34.17 x 2.92 cm; 367.5 g |
| Shape | Circline |
| Special features | Energy Efficient |
| Specific Uses | Decoration |
| Type of Bulb | Fluorescent |
| Voltage | 240 Volts |
| Wattage | 40 Watts |

## Product Details

- **Brand:** Crompton Lamps
- **Bulb shape size:** T6 1/2
- **Light type:** Fluorescent
- **Special feature:** Energy Efficient
- **Wattage:** 40 watts

## Images

![Crompton Lamps 40W T9 Fluorescent Circular 4 Pin Light Bulbs | Cool White 4000K | Energy Efficient Tube | Long-Lasting 10,000 Hours | GR10q Base for Magnifiers & Ceiling Lights - Image 1](https://m.media-amazon.com/images/I/410l4M1UbaL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ The Shining 😁
*by T***M on 9 November 2025*

Excellent, really easy to fit and works perfectly. These bulbs last for a long time.

### ⭐⭐⭐⭐⭐ Good light bulbs
*by A***R on 7 January 2026*

It was good

### ⭐⭐⭐⭐⭐ Good price
*by K***R on 29 January 2026*

Kitchen now is light again

## Frequently Bought Together

- Crompton Lamps 40W T9 Fluorescent Circular 4 Pin Light Bulbs | Cool White 4000K | Energy Efficient Tube | Long-Lasting 10,000 Hours | GR10q Base for Magnifiers & Ceiling Lights
- 2 FSU 4-80W UNIVERSAL FLUORESCENT STARTERS PACK OF 2
- Crompton T9 Circular Fluorescent Tube, Glass, Warm White, GR10q, 40 W

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**Shop now:** [https://www.desertcart.vn/products/50102151-crompton-lamps-40w-t9-fluorescent-circular-4-pin-light-bulbs](https://www.desertcart.vn/products/50102151-crompton-lamps-40w-t9-fluorescent-circular-4-pin-light-bulbs)

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*Product available on Desertcart Vietnam*
*Store origin: VN*
*Last updated: 2026-03-04*