--- product_id: 594140563 title: "8 Pack 21 Inch T5 Fluorescent Light Bulb 13 Watt F13T5/CW Compatible for Sylvania Satco Philips GE Under Cabinet Tube Light Cool White 800 Lumen G5 Base 8 Count" brand: "konideke" price: "£37.66" currency: GBP in_stock: true category: "Konideke" url: https://www.desertcart.co.uk/products/594140563-8-pack-21-inch-t5-fluorescent-light-bulb-13-watt store_origin: GB region: United Kingdom --- # 10,000-hour long lifespan 13W high-efficiency power 21-inch sleek tubular design 8 Pack 21 Inch T5 Fluorescent Light Bulb 13 Watt F13T5/CW Compatible for Sylvania Satco Philips GE Under Cabinet Tube Light Cool White 800 Lumen G5 Base 8 Count **Brand:** konideke **Price:** £37.66 **Availability:** ✅ In Stock ## Summary > 💡 Light up your space, power your hustle. ## Quick Answers - **What is this?** 8 Pack 21 Inch T5 Fluorescent Light Bulb 13 Watt F13T5/CW Compatible for Sylvania Satco Philips GE Under Cabinet Tube Light Cool White 800 Lumen G5 Base 8 Count by konideke - **How much does it cost?** £37.66 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/594140563-8-pack-21-inch-t5-fluorescent-light-bulb-13-watt) ## Best For - konideke enthusiasts ## Why This Product - Trusted konideke brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Built to Last:** 10,000 hours of reliable light backed by a 2-year warranty—because your productivity deserves no downtime. - • **All-in-One 8-Pack Value:** Stock up and never run out—eight premium bulbs ready to brighten every corner of your home or office. - • **Energy-Smart Efficiency:** Consumes just 13 watts while matching a 50W incandescent output—save on bills without sacrificing brightness. - • **Effortless Compatibility:** Fits seamlessly with major brands like Sylvania, Philips, GE, and Satco—upgrade without the hassle. - • **Brilliant Cool White Glow:** 4000K color temp delivers crisp, eye-friendly illumination perfect for modern workspaces and kitchens. ## Overview This 8-pack of 21-inch T5 fluorescent bulbs offers 13 watts of energy-efficient, cool white light at 4000K and 800 lumens brightness. Compatible with leading brands and designed for under-cabinet fixtures, these bulbs provide a long 10,000-hour lifespan and a sleek tubular design with a G5 base, making them the smart, stylish choice for modern professionals seeking reliable, eye-friendly illumination. ## Description 8 Pack 21 Inch T5 Fluorescent Light Bulb 13 Watt F13T5/CW Compatible for Sylvania Satco Philips GE Under Cabinet Tube Light Cool White 800 Lumen G5 Base 8 Count - desertcart.com ## Features - Specification: T5 13W cool white, 8 Pcs packing, 13 watts light 4000K, 21 Inches length. - Cool White Light: Bulb emits a 4000k color temperature that makes your space’s atmosphere warm, comfortable, and inviting. No eyes strains and headaches. - Application: Under Cabinet light fixture kitchen counters, Pleasure measure the bulb size before make the purchase. - Long Lifespan: 10000 Hours bulb lifespan. 800Lm brightness - Service: In case of bulb broken in transportation, Please contact our customer support for refund or replacement. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0CNQY7Z6T | | Additional Features | High Efficiency | | Beam Angle | 360 degrees | | Best Sellers Rank | #20,462 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #82 in Fluorescent Tubes | | Brand Name | Konideke | | Bulb Base | G5 | | Bulb Shape Size | T5 1/2 | | Color | White | | Color Rendering Index | 80 | | Color Temperature | 4000 Kelvin | | Connectivity Technology | Normal bulb | | Control Method | App | | Controller Type | Push Button | | Customer Reviews | 4.3 4.3 out of 5 stars (195) | | Incandescent Equivalent Wattage | 50 watts | | Included Components | 8 Pcs T5 13 Watt Cool white | | Indoor Outdoor Usage | Indoor | | Light Color | cool white 4000K | | Light Output Maximum | 800 lumens | | Light Source Operating Life | 10000 hours | | Light Source Type | Fluorescent | | Light Source Wattage | 13 watts | | Light Type | Fluorescent | | Manufacturer | JL | | Manufacturer Part Number | Tt 13w cw | | Manufacturer Warranty Description | 2 year. | | Material Type | Glass | | Model Name | Fluorescent | | Model Number | T5 13W CW | | Number of Items | 8 | | Package Quantity | 1 | | Power Consumption | 13 watts | | Shape | Tubular(T) | | Specific Uses For Product | under under fixture | | Style Name | Modern | | UPC | 755496268570 | | Unit Count | 8 Count | | Voltage | 110 volts | | Wattage | 13 | | White Brightness | 800 lumens | ## Product Details - **Brand:** Konideke - **Bulb Shape Size:** T5 1/2 - **Light Type:** Fluorescent - **Special Feature:** High Efficiency - **Wattage:** 13 ## Images ![8 Pack 21 Inch T5 Fluorescent Light Bulb 13 Watt F13T5/CW Compatible for Sylvania Satco Philips GE Under Cabinet Tube Light Cool White 800 Lumen G5 Base 8 Count - Image 1](https://m.media-amazon.com/images/I/41zFEZvFB9L.jpg) ![8 Pack 21 Inch T5 Fluorescent Light Bulb 13 Watt F13T5/CW Compatible for Sylvania Satco Philips GE Under Cabinet Tube Light Cool White 800 Lumen G5 Base 8 Count - Image 2](https://m.media-amazon.com/images/I/41lYU-HWR3L.jpg) ![8 Pack 21 Inch T5 Fluorescent Light Bulb 13 Watt F13T5/CW Compatible for Sylvania Satco Philips GE Under Cabinet Tube Light Cool White 800 Lumen G5 Base 8 Count - Image 3](https://m.media-amazon.com/images/I/41ayor-ndsL.jpg) ![8 Pack 21 Inch T5 Fluorescent Light Bulb 13 Watt F13T5/CW Compatible for Sylvania Satco Philips GE Under Cabinet Tube Light Cool White 800 Lumen G5 Base 8 Count - Image 4](https://m.media-amazon.com/images/I/41EGNydhvCL.jpg) ![8 Pack 21 Inch T5 Fluorescent Light Bulb 13 Watt F13T5/CW Compatible for Sylvania Satco Philips GE Under Cabinet Tube Light Cool White 800 Lumen G5 Base 8 Count - Image 5](https://m.media-amazon.com/images/I/41PDWNv2NKL.jpg) ## Frequently Bought Together - 21 Inch T5 Fluorescent Light Bulb 13 Watt F13T5/CW Compatible for Sylvania Satco Philips GE Under Cabinet Tube Light Cool White 800 Lumen G5 Base 8 Count - F8T5 Flourescent Light Bulbs - 12 inches Under Cabinet Bulb - Cool White 4100k 8 Watt Tube Bulb - Pack of 6 - KOR (Pack of 6) F8T5/CW - T5 Fluorescent 4100K Cool White - 8 Watt - 12" Super Long Life Light Bulbs --- ## 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.co.uk/products/594140563-8-pack-21-inch-t5-fluorescent-light-bulb-13-watt](https://www.desertcart.co.uk/products/594140563-8-pack-21-inch-t5-fluorescent-light-bulb-13-watt) --- *Product available on Desertcart United Kingdom* *Store origin: GB* *Last updated: 2026-11-13*