--- product_id: 13255754 title: "Sylvania 20585 FT40DL/835/RS/ECO Dulux L 40W Ecologic Compact Flourescent CFL Light Lamp, 40 Watt, 4 Pin, 2G11 Base, 3500K, Pack of 10 | Double Tube, 2G11 Base, 40 Watt Long Lasting High Lumen Light Bulb, 20000 hr Life, 3500K Neutral White" brand: "sylvania" price: "796.11 DT" currency: TND in_stock: true category: "Sylvania" url: https://www.desertcart.tn/products/13255754-sylvania-20585-ft40dl-835-rs-eco-dulux-l-40w-ecologic store_origin: TN region: Tunisia --- # 20,000 hours lifespan 40W energy-efficient power 3500K neutral white glow Sylvania 20585 FT40DL/835/RS/ECO Dulux L 40W Ecologic Compact Flourescent CFL Light Lamp, 40 Watt, 4 Pin, 2G11 Base, 3500K, Pack of 10 | Double Tube, 2G11 Base, 40 Watt Long Lasting High Lumen Light Bulb, 20000 hr Life, 3500K Neutral White **Brand:** sylvania **Price:** 796.11 DT **Availability:** ✅ In Stock ## Summary > 💼 Illuminate your workspace with smart, sustainable style! ## Quick Answers - **What is this?** Sylvania 20585 FT40DL/835/RS/ECO Dulux L 40W Ecologic Compact Flourescent CFL Light Lamp, 40 Watt, 4 Pin, 2G11 Base, 3500K, Pack of 10 | Double Tube, 2G11 Base, 40 Watt Long Lasting High Lumen Light Bulb, 20000 hr Life, 3500K Neutral White by sylvania - **How much does it cost?** 796.11 DT with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/13255754-sylvania-20585-ft40dl-835-rs-eco-dulux-l-40w-ecologic) ## 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 - • **Bulk Pack of 10:** Ideal for outfitting offices or creative studios with uniform lighting - • **Sleek 4-Pin 2G11 Base:** Effortless installation with industry-standard base - • **Energy-Smart 40W Output:** Save on electricity without compromising brightness (3150 lumens) - • **Long-Lasting Brilliance:** Up to 20,000 hours of consistent, flicker-free lighting - • **Optimal 3500K Neutral White:** Perfect balance between warm and cool for professional spaces ## Overview The Sylvania 20585 FT40DL/835/RS/ECO is a 40W compact fluorescent lamp featuring a 4-pin 2G11 base and emitting a neutral white 3500K light. Designed for indoor professional environments, it delivers 3150 lumens of flicker-free illumination with a long lifespan of 20,000 hours, making it a cost-effective and eco-friendly lighting solution in a convenient pack of 10. ## Description You can find Sunlite’s FT fluorescent lamps in kitchens, basements, garages, cafeterias, as well as corporate offices thanks to its significant cost savings when compared to an equivalent incandescent lamp. In addition to general purpose lighting, Sunlite’s fluorescent lights can be utilized for all manner of indoor video production since they emit a cooler light source than what you’ll get from a traditional halogen lamp while also using a high frequency ballast to prevent visible flicker furthermore producing a high color render index to imitate a daylight like color temperatures. ## Features - (Pack of 10) Sylvania 20585 - FT40DL/835/RS/ECO - 40 Watt - 4 Pin 2G11 Base - 3500K - CFL Light Bulb - DULUX L 40W ECOLOGIC COMPACT FLOURESCENT 20585 835 - UPC CODE BOX 10046135205856 - UPC CODE INDIVIDUAL BULB 046135205859 - MADE IN ITALY ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B00CAXWW1U | | Accepted Voltage Frequency | 100 to 120 Volts and 60 Hertz | | Additional Features | Base 2G11, Voltage, Wattage 40 | | Best Sellers Rank | #38,047 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #49 in Compact Fluorescent Bulbs | | Brand Name | SYLVANIA | | Bulb Base | Prong | | Bulb Shape Size | T | | Color | White | | Color Rendering Index | 80 | | Color Temperature | 3500 Kelvin | | Connectivity Technology | Normal bulb | | Control Method | App | | Controller Type | Push Button | | Customer Reviews | 4.3 4.3 out of 5 stars (103) | | Incandescent Equivalent Wattage | 40 watts | | Indoor Outdoor Usage | Indoor | | Item Dimensions W x H | 1.7"W x 22.4"H | | Item Type Name | Sylvania 20585 FT40DL/835/RS/ECO Dulux L 40W Ecologic Compact Flourescent CFL Light Lamp, 40 Watt, 4 Pin, 2G11 Base, 3500K, Pack of 10 | | Item Weight | 4.2 pounds | | Light Color | White | | Light Source Type | CFL | | Light Source Wattage | 40 watts | | Light Type | CFL | | Manufacturer | Satco | | Manufacturer Part Number | S6767 | | Manufacturer Warranty Description | N/a. | | Material Type | Glass | | Model Name | 20585 | | Model Number | 20585 | | Number of Items | 10 | | Package Quantity | 1 | | Power Consumption | 40 watts | | Power Source | Corded Electric | | Shape | Tubular(T) | | Specific Uses For Product | Lamp | | UPC | 046135205859 | | Unit Count | 10 Count | | Voltage | 120 volts | | Wattage | 40 watts | | White Brightness | 3150 lumens | ## Product Details - **Brand:** SYLVANIA - **Bulb Shape Size:** T - **Light Type:** CFL - **Special Feature:** Base 2G11, Voltage, Wattage 40 - **Wattage:** 40 watts ## Images ![Sylvania 20585 FT40DL/835/RS/ECO Dulux L 40W Ecologic Compact Flourescent CFL Light Lamp, 40 Watt, 4 Pin, 2G11 Base, 3500K, Pack of 10 | Double Tube, 2G11 Base, 40 Watt Long Lasting High Lumen Light Bulb, 20000 hr Life, 3500K Neutral White - Image 1](https://m.media-amazon.com/images/I/31nxAA+0P6L.jpg) ![Sylvania 20585 FT40DL/835/RS/ECO Dulux L 40W Ecologic Compact Flourescent CFL Light Lamp, 40 Watt, 4 Pin, 2G11 Base, 3500K, Pack of 10 | Double Tube, 2G11 Base, 40 Watt Long Lasting High Lumen Light Bulb, 20000 hr Life, 3500K Neutral White - Image 2](https://m.media-amazon.com/images/I/41LMQXOlElL.jpg) ![Sylvania 20585 FT40DL/835/RS/ECO Dulux L 40W Ecologic Compact Flourescent CFL Light Lamp, 40 Watt, 4 Pin, 2G11 Base, 3500K, Pack of 10 | Double Tube, 2G11 Base, 40 Watt Long Lasting High Lumen Light Bulb, 20000 hr Life, 3500K Neutral White - Image 3](https://m.media-amazon.com/images/I/31D+6y5DK1L.jpg) ## Frequently Bought Together - Sylvania 20585 FT40DL/835/RS/ECO Dulux L 40W Ecologic Compact Flourescent CFL Light Lamp, 40 Watt, 4 Pin, 2G11 Base, 3500K, Pack of 10, 10 Count (Pack of 1), White - Advance Centium ICN-2TTP-40-SC - (2) Lamp Fluorescent Ballast - 40 Watt CFL - 120/277 Volt - Instant Start - 0.88 Ballast Factor - Leviton 23452-H Snap-In Lamp Support Clip For Horizontal Mount 2G11 Base Twin Tube Fluorescent Lampholder --- ## 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.tn/products/13255754-sylvania-20585-ft40dl-835-rs-eco-dulux-l-40w-ecologic](https://www.desertcart.tn/products/13255754-sylvania-20585-ft40dl-835-rs-eco-dulux-l-40w-ecologic) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-08-14*