--- product_id: 28169853 title: "Circle F13T5 CW Fluorescent Bulb 21 Inch T5 Under Counter 13W 4100K 6 Pack" brand: "circle" price: "₨1051" currency: SCR in_stock: true url: https://www.desertcart.sc/products/28169853-circle-f13t5-cw-fluorescent-bulb-21-inch-t5-under-counter store_origin: SC region: Seychelles --- # 20,000 hours rated lifespan 1300 lumens bright output Plug & play with existing ballast Circle F13T5 CW Fluorescent Bulb 21 Inch T5 Under Counter 13W 4100K 6 Pack **Brand:** circle **Price:** ₨1051 **Availability:** ✅ In Stock ## Summary > 💡 Brighten your space, upgrade your vibe. ## Quick Answers - **What is this?** Circle F13T5 CW Fluorescent Bulb 21 Inch T5 Under Counter 13W 4100K 6 Pack by circle - **How much does it cost?** ₨1051 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.sc](https://www.desertcart.sc/products/28169853-circle-f13t5-cw-fluorescent-bulb-21-inch-t5-under-counter) ## Best For - circle enthusiasts ## Why This Product - Trusted circle brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Value-Packed 6-Pack:** Cost-effective bundle with protective packaging, trusted by over 1,800 satisfied professionals. - • **Perfect 21-Inch T5 Fit:** Seamlessly slides into standard under-cabinet fixtures—no hassle, no rewiring. - • **Effortless Installation:** Genuine fluorescent tubes compatible with your current ballast—just insert and twist. - • **Long-Lasting Reliability:** Up to 20,000 hours of dependable lighting means fewer replacements and less downtime. - • **Crisp 4100K Cool White Glow:** Illuminate your workspace with clean, consistent light that enhances focus and style. ## Overview The Circle F13T5 CW Fluorescent Bulb 21 Inch T5 Under Counter 13W 4100K 6 Pack delivers 1300 lumens of crisp cool white light ideal for kitchens, workshops, and display areas. Designed for easy installation in standard 21-inch T5 fixtures with a G5 bi-pin base, these genuine fluorescent tubes work with existing ballasts—no rewiring needed. Rated for up to 20,000 hours, this 6-pack offers long-lasting, cost-effective lighting trusted by thousands of users. ## Features - CLEAR 4100K COOL WHITE LIGHT — ~1,300 lumens of clean, even fluorescent light for kitchens, workshops, RVs and display areas. Crisp cool-white tone, consistent across the 6-pack. - EXACT 21" T5 UNDER-COUNTER FIT — F13T5 with a G5 bi-pin base drops into standard 21-inch T5 under-cabinet and over-counter fixtures. Insert, twist, done. - STANDARD FLUORESCENT — USES YOUR EXISTING BALLAST — Genuine T5 tube, not an LED retrofit. Works in fixtures that already run fluorescent bulbs. No rewiring, no electrician. - RATED UP TO 20,000 HOURS — Long-life output for dependable lighting and fewer replacements across cabinets, RVs, marine fixtures and utility spaces. - 6-PACK VALUE, PACKED TO ARRIVE INTACT — Cost-effective multipack from Circle in protective packaging built to survive shipping. Trusted across 2,500+ buyer ratings. ## Technical Specifications | Specification | Value | |---------------|-------| | Additional Features | Instant On, Under cabinet lighting | | Asin | B01EDMZNI4 | | Best Sellers Rank | #4,064 in Industrial & Scientific (See Top 100 in Industrial & Scientific) #8 in Fluorescent Tubes | | Brand Name | Circle | | Bulb Base | G5 | | Bulb Shape Size | T5 1/2 | | Color | 4100 | | Color Rendering Index | 100 | | Color Temperature | 4100 Kelvin | | Connectivity Technology | Normal bulb | | Control Method | App | | Controller Type | Push Button | | Customer Reviews | 4.5 4.5 out of 5 stars (1,852) 4.5 out of 5 stars | | Incandescent Equivalent Wattage | 13 watts | | Included Components | 6 Pack Long life T5 Fluorescent Tubes, Perfect under the counter kitchen light bulbs, T5 fluorescent bulb | | Indoor Outdoor Usage | Indoor | | Item Dimensions W X H | 2.5"W x 21"H | | Item Weight | 12.8 ounces | | Light Color | Cool White | | Light Output Maximum | 1300 lumens | | Light Source Operating Life | 120000 hours | | Light Source Type | Fluorescent | | Light Source Wattage | 13 watts | | Light Type | Fluorescent | | Manufacturer | Circle® | | Manufacturer Part Number | F13T5/CW | | Manufacturer Warranty Description | 1 year warranty. Please contact us if you have any issues. We offer 100% customer satisfaction on all our products! | | Material Type | Glass | | Model Number | F13T5/CW | | Number Of Items | 1 | | Package Quantity | 6 | | Power Consumption | 13 watts | | Shape | Tubular(T) | | Style Name | F13T5 | | Unit Count | 6 Count | | Upc | 030465195553 | | Voltage | 120 volts | | Wattage | 13 watts | | White Brightness | 1300 lumens | ## Product Details - **Brand:** Circle - **Bulb Shape Size:** T5 1/2 - **Light Type:** Fluorescent - **Special Feature:** Instant On, Under cabinet lighting - **Wattage:** 13 watts ## Images ![Circle F13T5 CW Fluorescent Bulb 21 Inch T5 Under Counter 13W 4100K 6 Pack - Image 1](https://m.media-amazon.com/images/I/61T7SGQDcoL.jpg) ![Circle F13T5 CW Fluorescent Bulb 21 Inch T5 Under Counter 13W 4100K 6 Pack - Image 2](https://m.media-amazon.com/images/I/41Ld1+RQ+YL.jpg) ![Circle F13T5 CW Fluorescent Bulb 21 Inch T5 Under Counter 13W 4100K 6 Pack - Image 3](https://m.media-amazon.com/images/I/31MT8DCZW+L.jpg) ![Circle F13T5 CW Fluorescent Bulb 21 Inch T5 Under Counter 13W 4100K 6 Pack - Image 4](https://m.media-amazon.com/images/I/61qzhJO-T4L.jpg) ![Circle F13T5 CW Fluorescent Bulb 21 Inch T5 Under Counter 13W 4100K 6 Pack - Image 5](https://m.media-amazon.com/images/I/51FTA3vrGvL.jpg) ## Available Options This product comes in different **Color** options. --- ## 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.sc/products/28169853-circle-f13t5-cw-fluorescent-bulb-21-inch-t5-under-counter](https://www.desertcart.sc/products/28169853-circle-f13t5-cw-fluorescent-bulb-21-inch-t5-under-counter) --- *Product available on Desertcart Seychelles* *Store origin: SC* *Last updated: 2026-09-25*