---
product_id: 13255754
title: "20585 FT40DL/835/RS/ECO Dulux L 40W Ecologic Compact Flourescent CFL Light Lamp, 40 Watt, 4 Pin, 2G11 Base, 3500K, Pack of 10"
brand: "sylvania"
price: "฿8973"
currency: THB
in_stock: true
url: https://www.desertcart.co.th/products/13255754-20585-ft40dl-835-rs-eco-dulux-l-40w-ecologic-compact
store_origin: TH
region: Thailand
---

# 20,000 hours lifespan 70% less energy consumption 40W high-efficiency power 20585 FT40DL/835/RS/ECO Dulux L 40W Ecologic Compact Flourescent CFL Light Lamp, 40 Watt, 4 Pin, 2G11 Base, 3500K, Pack of 10

**Brand:** sylvania
**Price:** ฿8973
**Availability:** ✅ In Stock

## Summary

> 💡 Light up your space, save your wallet, and join the eco-smart elite!

## Quick Answers

- **What is this?** 20585 FT40DL/835/RS/ECO Dulux L 40W Ecologic Compact Flourescent CFL Light Lamp, 40 Watt, 4 Pin, 2G11 Base, 3500K, Pack of 10 by sylvania
- **How much does it cost?** ฿8973 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/13255754-20585-ft40dl-835-rs-eco-dulux-l-40w-ecologic-compact)

## 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

- • **Eco-Savvy Savings:** Slash your energy bills by up to 70% compared to incandescent bulbs.
- • **Long-Lasting Glow:** Enjoy up to 20,000 hours of consistent, flicker-free lighting—less hassle, more brilliance.
- • **Brilliant Efficiency:** Delivers 3150 lumens with just 40 watts—brighten smarter, not harder.
- • **Plug & Play Compatibility:** Standard 2G11 base fits seamlessly into your existing fixtures—upgrade without the fuss.
- • **Perfect Warm White Ambiance:** 3500K color temperature creates a cozy yet professional atmosphere ideal for any workspace.

## Overview

The Sylvania 20585 FT40DL/835/RS/ECO is a 40W compact fluorescent lamp featuring a 2G11 base and delivering 3150 lumens at a warm 3500K color temperature. Designed for indoor use, it offers up to 20,000 hours of energy-efficient lighting, consuming up to 70% less power than traditional incandescent bulbs. Sold in packs of 10, this durable tubular CFL is perfect for professionals seeking bright, cost-effective, and eco-friendly illumination.

## Description

20585 FT40DL/835/RS/ECO Dulux L 40W Ecologic Compact Flourescent CFL Light Lamp, 40 Watt, 4 Pin, 2G11 Base, 3500K, Pack of 10

## Features

- Fluorescent bulbs are energy saving bulbs and last up to 10 times longer than incandescent bulbs
- Fluorescent bulbs help you save money using 40 - 70% less energy than incandescent bulbs
- Fluorescent bulbs are 5-8 times more brighter (more output lumens /watt) than incandescent bulbs
- Sylvania Single Tube 4-PIN fluorescent bulb, 40W,
- Base: 2G11, Color Temp: 3500K, Rated Life (hours): 20000

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | SYLVANIA |
| Light Type | CFL |
| Special Feature | Base 2G11, Voltage, Wattage 40 |
| Wattage | 40 watts |
| Bulb Shape Size | T |
| Bulb Base | Prong |
| Incandescent Equivalent Wattage | 40 Watts |
| Specific Uses For Product | Lamp |
| Light Color | White |
| Voltage | 120 Volts |
| Unit Count | 10.0 Count |
| Color Temperature | 3500 Kelvin |
| Number of Items | 10 |
| Brightness | 3150 Lumen |
| Shape | Tubular(T) |
| Material | Glass |
| Model Name | 20585 |
| Connectivity Technology | Normal bulb |
| Indoor/Outdoor Usage | Indoor |
| Controller Type | Push Button |
| Color Rendering Index | 80 |
| Power Consumption | 40 Watts |
| Item Package Quantity | 1 |
| Light Source Type | Fluorescent Bulbs |
| Light Source Wattage | 40 Watts |
| Product Dimensions | 1.7"W x 22.4"H |
| Control Method | App |
| White Brightness | 3150 Lumens |
| Manufacturer | Satco |
| UPC | 046135205859 |
| Part Number | S6767 |
| Item Weight | 4.14 pounds |
| Item model number | 20585 |
| Is Discontinued By Manufacturer | No |
| Size | 10 Count (Pack of 1) |
| Color | White |
| Finish | White |
| Special Features | Base 2G11, Voltage, Wattage 40 |
| Batteries Included? | No |
| Batteries Required? | No |
| Warranty Description | N/a. |

## Product Details

- **Brand:** SYLVANIA
- **Light Type:** CFL
- **Special Feature:** Base 2G11, Voltage, Wattage 40
- **Wattage:** 40 watts
- **Bulb Shape Size:** T

## Images

![20585 FT40DL/835/RS/ECO Dulux L 40W Ecologic Compact Flourescent CFL Light Lamp, 40 Watt, 4 Pin, 2G11 Base, 3500K, Pack of 10 - Image 1](https://m.media-amazon.com/images/I/31nxAA+0P6L.jpg)

## Frequently Bought Together

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**Shop now:** [https://www.desertcart.co.th/products/13255754-20585-ft40dl-835-rs-eco-dulux-l-40w-ecologic-compact](https://www.desertcart.co.th/products/13255754-20585-ft40dl-835-rs-eco-dulux-l-40w-ecologic-compact)

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*Product available on Desertcart Thailand*
*Store origin: TH*
*Last updated: 2026-02-28*