---
product_id: 258881859
title: "Kosnic 28watt 2D Butterfly CFL lamp (GR10q, daylight white, 6500K, 4 pin) [8000 hours, 1900 lumens] for JBR Balcony Light (20cm x 20cm)"
brand: "kosnic"
price: "₨13145"
currency: LKR
in_stock: true
url: https://www.desertcart.lk/products/258881859-kosnic-28watt-2d-butterfly-cfl-lamp-gr10q-daylight-white-6500k
store_origin: LK
region: Sri Lanka
---

# 12,000 hours lifespan 6500K daylight clarity 28W power brilliance Kosnic 28watt 2D Butterfly CFL lamp (GR10q, daylight white, 6500K, 4 pin) [8000 hours, 1900 lumens] for JBR Balcony Light (20cm x 20cm)

**Brand:** kosnic
**Price:** ₨13145
**Availability:** ✅ In Stock

## Summary

> 💡 Illuminate your balcony with brilliance and longevity!

## Quick Answers

- **What is this?** Kosnic 28watt 2D Butterfly CFL lamp (GR10q, daylight white, 6500K, 4 pin) [8000 hours, 1900 lumens] for JBR Balcony Light (20cm x 20cm) by kosnic
- **How much does it cost?** ₨13145 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/258881859-kosnic-28watt-2d-butterfly-cfl-lamp-gr10q-daylight-white-6500k)

## Best For

- kosnic enthusiasts

## Why This Product

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

## Key Features

- • **Brilliant 28W Output:** Power your space with efficient, bright lighting that energizes your environment.
- • **Long-Lasting 12,000 Hours:** Forget frequent replacements—enjoy years of reliable, consistent light.
- • **Universal 4-Pin GR10q Base:** Easy installation with a standard base compatible with most JBR balcony lights.
- • **Compact 2D Butterfly Design:** Sleek, space-saving form fits perfectly in modern balcony fixtures.
- • **Crisp Daylight White (6500K):** Experience natural, vibrant illumination that enhances focus and mood.

## Overview

The Kosnic 28W 2D Butterfly CFL lamp delivers powerful 2050 lumens of daylight white light at 6500K, designed for long-lasting performance with a 12,000-hour lifespan. Its compact 20cm x 20cm size and universal 4-pin GR10q base make it an ideal, energy-efficient upgrade for JBR balcony lighting.

## Description

Premium 12,000 hour, 4 pin (GR10q) 28w daylight white (6500K) 2D butterfly compact fluorescent light bulb.

## Features

- This product has a manufacturers average life of 12,000 hours and a colour temperature 6500K
- Power and brightness 28 watts at 230v producing 2050 lumens
- Dimensions 202mm x 202mm x 202mm

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Kosnic |
| Item model number | KFT28STD/4p-865 |
| Product Dimensions | 20.2 x 20.2 x 3.2 cm; 81.65 g |
| ASIN | B008M6YSI4 |

## Product Details

- **Brand:** Kosnic
- **Light type:** CFL
- **Special features:** Energy Efficient
- **Wattage:** 28.00
- **Bulb shape/size:** C9 1/2

## Images

![Kosnic 28watt 2D Butterfly CFL lamp (GR10q, daylight white, 6500K, 4 pin) [8000 hours, 1900 lumens] for JBR Balcony Light (20cm x 20cm) - Image 1](https://m.media-amazon.com/images/I/61XLizVCHmL.jpg)

## Frequently Bought Together

- Kosnic 28w 2D Butterfly CFL lamp (GR10q, daylight white, 6500K, 4 pin)
- Bell/Kos/Pro/Eco/Lumi Bell 28w 2D Square 4-Pin Gr10q Cap Cool White (4000k) Compact Fluorescent Lamp, 28 W

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**Shop now:** [https://www.desertcart.lk/products/258881859-kosnic-28watt-2d-butterfly-cfl-lamp-gr10q-daylight-white-6500k](https://www.desertcart.lk/products/258881859-kosnic-28watt-2d-butterfly-cfl-lamp-gr10q-daylight-white-6500k)

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*Product available on Desertcart Sri Lanka*
*Store origin: LK*
*Last updated: 2026-02-05*