--- product_id: 4077759 title: "T18330 18w Daylight CFL Replacement Tube Bulb, Bulb Type B, Pack of 1" brand: "ottlite" price: "₨33670" currency: LKR in_stock: true reviews_count: 13 category: "Ott Lite" url: https://www.desertcart.lk/products/4077759-t18330-18w-daylight-cfl-replacement-tube-bulb-bulb-type-b store_origin: LK region: Sri Lanka --- # 10,000 hours lifespan 5000K natural daylight color temp 18W CFL, 75W incandescent equivalent T18330 18w Daylight CFL Replacement Tube Bulb, Bulb Type B, Pack of 1 **Brand:** ottlite **Price:** ₨33670 **Availability:** ✅ In Stock ## Summary > 🌞 Brighten your workspace, boost your focus, and never miss a detail! ## Quick Answers - **What is this?** T18330 18w Daylight CFL Replacement Tube Bulb, Bulb Type B, Pack of 1 by ottlite - **How much does it cost?** ₨33670 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.lk](https://www.desertcart.lk/products/4077759-t18330-18w-daylight-cfl-replacement-tube-bulb-bulb-type-b) ## Best For - ottlite enthusiasts ## Why This Product - Trusted ottlite brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Eye-Friendly Glow:** Low heat and glare reduce eye strain for longer, more comfortable productivity. - • **Long-Lasting Performance:** Up to 10,000 hours of reliable, consistent lighting—replace less, do more. - • **Energy-Smart Illumination:** Consumes 75% less energy than traditional bulbs, saving you money and the planet. - • **True-to-Life Color Accuracy:** Experience vibrant, natural colors with 80 CRI daylight simulation. - • **Perfect Fit for OttLite Lamps:** Designed exclusively for Type B OttLite fixtures to ensure seamless compatibility. ## Overview The OttLite T18330 is an 18-watt daylight CFL replacement tube bulb engineered to deliver true color rendering (80 CRI) and natural 5000K daylight illumination. It offers energy-efficient lighting equivalent to a 75-watt incandescent bulb, with low heat and glare to reduce eye strain. Designed exclusively for OttLite Type B lamps, it boasts a long lifespan of up to 10,000 hours, making it a smart, sustainable choice for professionals seeking clarity and comfort in their work environment. ## Description Product Description ADVANCED LIGHTING: Our Type B bulbs show colors true to life and produce clearer details, all while reducing glare and eye strain. This bulb will provide you with low heat and low glare illumination for years to come. From the Manufacturer The OttLite 508 Illumination 18 watt replacement tube delivers the right mix of brightness and contrast to bring true colors and comfortable clarity to your world so you can enjoy your time even more. You’ll see colors accurately and fine print and details with ease under this unique low heat, low glare illumination that helps reduce eyestrain. Review: Great replacement bulb, however, READ ALL OF THE FINE PRINT ON YOUR LIGHT FIXTURE - The light is used by my 98-year-old mother, to read, in conjunction with the mounted magnifying glass; it was imperative that it be replaced quickly as she had used it for over seven years... I suggest that a prospective buyer read ALL of the instructions on the desertcart posting for this, or ANY OttLite product. In truth, I had to revisit my mother's light fixture three times to FINALLY find the model number that fell into one of the long lists of model numbers for specific replacement bulbs. Then I ordered the designated bulb to see if it fit, and it did. Now I've ordered a second bulb so that there will be no lapse in use in the future. Otherwise, no issues; the bulb works as advertised. Review: Quality product - It's the bulb I needed but the lamp quit ## Features - ADVANCED LIGHTING: Our Type B bulbs show colors true to life and produce clearer details, all while reducing glare and eye strain. This bulb will provide you with low heat and low glare illumination for years to come. - EFFICIENT: The output of an 18-watt OttLite bulb is roughly equivalent to that of a 75-watt incandescent bulb. Compact fluorescent bulbs (CFLs) require 75% less energy, generate 75% less heat, and lasts 10x longer than standard incandescent bulbs. - NATURAL DAYLIGHT: For over 30 years OttLite has focused on bringing the power of natural daylight indoors. With our groundbreaking technology, you will be able to see more clearly without strain and do what you love for longer. - Superior image and color rendering - Low heat, low glare illumination helps reduce eyestrain - Energy efficient bulb rated to last up to 10,000 hours - Complete detail and color accuracy - For use only as a replacement bulb with specific OttLite lamps - bulb type B ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B003W0TMQ8 | | Accepted Voltage Frequency | 100 to 120 Volts and 60 Hertz | | Additional Features | True Color Sun Light Simulating | | Best Sellers Rank | #84,257 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #99 in Compact Fluorescent Bulbs | | Brand | OttLite | | Brand Name | OttLite | | Bulb Base | BA21D | | Bulb Shape Size | T8 | | Color | White | | Color Rendering Index | 80 | | Color Temperature | 5000 Kelvin | | Connectivity Protocol | Matter | | Connectivity Technology | USB | | Control Method | App | | Controller Type | Push Button | | Customer Reviews | 4.5 out of 5 stars 3,312 Reviews | | Efficiency | Energy efficient, long-lasting | | Global Trade Identification Number | 00761712003597 | | Incandescent Equivalent Wattage | 75 watts | | Included Components | User Manual | | Indoor Outdoor Usage | Indoor | | Item Dimensions W x H | 6.3"W x 9.63"H | | Item Weight | 3.04 ounces | | Light Color | Daylight White | | Light Source Operating Life | 10000 hours | | Light Source Type | Fluorescent | | Light Source Wattage | 18 watts | | Light Type | Fluorescent | | Manufacturer | Ott-Lite | | Manufacturer Part Number | T18330 | | Manufacturer Warranty Description | 1 yr. | | Material Type | Glass | | Model Name | NaturesSunlite™ Replacement for Ott-Lite 18 watt | | Model Number | 86998 | | Number of Items | 1 | | Package Quantity | 1 | | Power Consumption | 18 watts | | Power Source | Corded Electric | | Shape | Tubular(T) | | Special Feature | True Color Sun Light Simulating | | Specific Uses For Product | Lamp | | Specification Met | Not Applicable (N/A) | | Style Name | Bulb | | UPC | 761712100197 885605555151 761712103143 683203261913 761712003597 043939895668 | | Unit Count | 1 Count | | Voltage | 120 volts | | Wattage | 18 watts | | White Brightness | 900 lumens | ## Product Details - **Brand:** OttLite - **Bulb Shape Size:** T8 - **Light Type:** Fluorescent - **Special Feature:** True Color Sun Light Simulating - **Wattage:** 18 watts ## Images ![T18330 18w Daylight CFL Replacement Tube Bulb, Bulb Type B, Pack of 1 - Image 1](https://m.media-amazon.com/images/I/71FwVN04C1L.jpg) ## Available Options This product comes in different **Style** options. ## Questions & Answers **Q: I need to replace an Ott-Lite True Color OLT-18 watt bulb, #0605 is this the correct bulb?** A: Your best bet to make sure that you are ordering the correct bulb is to call the Ott-Lite company. 1-800-842-8848. You can also visit their website at www.ott-lite.com. A customer service representative can assist you in figuring out the best replacement bulb. Once you have that information you can then shop online for the best deal. Hope this helps. **Q: How can I purchase one--it's only markings are 9209 and True color OLT-18W which does not match anything I can find on line? thank you?** A: The bulb at the following link is the only 18 watt twin tube bulb that Ott makes:http://www.amazon.com/OTT-LITE-Watt-Pin-Replacement-Bulb/dp/B000EMCRP0/ref=cm_cd_al_qh_dp_i **Q: Is this a TrueColor bulb?** A: The description calls it a "daylight" bulb. In terms of color temperature, that would mean that there is no shift in the color spectrum as you would have if your were reading under a florescent bulb. If you are planning to use your Ott-Lite as photo lighting, I feel that you would be happy with your photos. **Q: I have a floor model ott lamp, model fl-18 (on the base of the lamp) and i need an 18w four prong light bulb replacement. what is the bulb order #?** A: I did not have a model number.....I just bought an 18 four prong.....and it fits just fine..... ## Customer Reviews ### ⭐⭐⭐⭐⭐ Great replacement bulb, however, READ ALL OF THE FINE PRINT ON YOUR LIGHT FIXTURE *by G***. on September 1, 2024* The light is used by my 98-year-old mother, to read, in conjunction with the mounted magnifying glass; it was imperative that it be replaced quickly as she had used it for over seven years... I suggest that a prospective buyer read ALL of the instructions on the Amazon posting for this, or ANY OttLite product. In truth, I had to revisit my mother's light fixture three times to FINALLY find the model number that fell into one of the long lists of model numbers for specific replacement bulbs. Then I ordered the designated bulb to see if it fit, and it did. Now I've ordered a second bulb so that there will be no lapse in use in the future. Otherwise, no issues; the bulb works as advertised. ### ⭐⭐⭐⭐⭐ Quality product *by J***Y on March 27, 2026* It's the bulb I needed but the lamp quit ### ⭐⭐⭐⭐⭐ Much needed item! *by L***C on August 7, 2026* So happy to find this replacement bulb, thank you! ## Frequently Bought Together - OttLite 18W Replacement Tube Light Bulb - Compact Fluorescent Light Bulbs Replacement - Bright Natural Daylight for Bedroom & Living Room - Low Heat & Glare Type B Light Bulb for Reduced Eyestrain - OttLite 24W Replacement Light Bulb - Energy Efficient Compact Fluorescent Light Tubes, Bright Natural Daylight for Bedroom & Living Room, Low Heat & Glare Type C Lightbulb for Reduced Eyestrain --- ## 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.lk/products/4077759-t18330-18w-daylight-cfl-replacement-tube-bulb-bulb-type-b](https://www.desertcart.lk/products/4077759-t18330-18w-daylight-cfl-replacement-tube-bulb-bulb-type-b) --- *Product available on Desertcart Sri Lanka* *Store origin: LK* *Last updated: 2026-09-10*