--- 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: "€ 273.13" currency: EUR in_stock: true reviews_count: 10 url: https://www.desertcart.pt/products/13255754-20585-ft40dl-835-rs-eco-dulux-l-40w-ecologic-compact store_origin: PT region: Portugal --- # 20,000 hr lifespan 40W power efficiency 3500K neutral white light 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:** € 273.13 **Availability:** ✅ In Stock ## Summary > 💼 Illuminate your hustle with smart, lasting light! ## 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?** € 273.13 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/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 - • **Bulk Pack of 10:** Stock up and save—ensure your office or studio never runs low on premium lighting. - • **Neutral White 3500K Glow:** Balanced lighting that enhances focus and productivity without harshness. - • **Energy-Smart 40W Performance:** Maximize brightness with minimal power—perfect for eco-conscious pros. - • **Ultra-Durable 20,000 Hour Lifespan:** Keep your workspace lit longer without constant replacements—stay ahead of the curve. - • **Flicker-Free High Frequency Ballast:** Smooth, stable illumination ideal for video calls and creative projects. ## Overview The Sylvania 20585 FT40DL/835/RS/ECO is a 40W compact fluorescent lamp featuring a 2G11 base and delivering 3500K neutral white light. Designed for long-lasting performance with a 20,000-hour lifespan, it offers flicker-free, high color rendering illumination ideal for professional indoor environments. Sold in a convenient pack of 10, it’s the go-to choice for efficient, reliable lighting in offices, studios, and workspaces. ## 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 | |---------------|-------| | Accepted Voltage Frequency | 100 to 120 Volts and 60 Hertz | | Additional Features | Base 2G11, Voltage, Wattage 40 | | Asin | B00CAXWW1U | | Best Sellers Rank | #44,809 in Industrial & Scientific (See Top 100 in Industrial & Scientific) #56 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) 4.3 out of 5 stars | | 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 | | Unit Count | 10 Count | | Upc | 046135205859 | | 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 ![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) ## Customer Reviews ### ⭐⭐⭐⭐⭐ good price overall *by on Reviewed in the United States January 12, 2018* good price overall... my second box of them arrived this week intact so packing hasn't been an issue...Sylvania bulbs don't last worth a fleck but the only other brand is some Chinese off brand that sucks worse..I just bought my second box of 10 so I must be satisfied ### ⭐⭐⭐⭐⭐ Bright again *by on Reviewed in the United States January 14, 2023* The old lights were getting dimmer with age. New bulbs making a world of difference. ### ⭐⭐⭐⭐⭐ so far so good *by on Reviewed in the United States August 21, 2016* Ordered it for my wife's retail business. She hasn't reported a single dud so far and they apparently fit as expected to the sockets. I guess she'll update me more in due time. ## 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.pt/products/13255754-20585-ft40dl-835-rs-eco-dulux-l-40w-ecologic-compact](https://www.desertcart.pt/products/13255754-20585-ft40dl-835-rs-eco-dulux-l-40w-ecologic-compact) --- *Product available on Desertcart Portugal* *Store origin: PT* *Last updated: 2026-10-06*