Kosa 18 Dome Flush Mount by Sean Lavin for Visual Comfort
Kosa 18 Dome Flush Mount by Sean Lavin for Visual Comfort
$849.00
/
Kosa 18 is a soft dome of even, glare-free light, modern simplicity for any ceiling.
The Design Story
Sean Lavin designed Kosa to do one thing beautifully: wash a room in smooth light.
The domed diffuser hides the LED completely.
Why You'll Love It
It is clean, practical and calm, in finishes that disappear or contrast.
Made for Real Life
Nothing to relamp: the light source is built in. A soft, dry cloth keeps the metalwork clean. Pair it with an LED-compatible ELV or TRIAC dimmer to go from bright to candle-soft. It sits close to the ceiling, so it suits rooms where a pendant would be in the way.
Product Details
| Designer | Sean Lavin |
|---|---|
| Brand | Modern Collection by Visual Comfort & Co. |
| Model | Kosa 18 Ceiling |
| Finish options | Matte White · Nightshade Black |
| Size | 18″ across × 4.6″ deep (45.7 × 11.7 cm) |
| Canopy | 18″ x 18″ Round |
| Mount | Flush, ceiling box |
| Light | Built-in LED, 21.1 W, 899 lumens |
| Light color | 3000K soft white, 90 CRI |
| Dimmer | Pairs with ELV or TRIAC LED dimmers (most models) |
| Where it can go | Indoors, including damp rooms, and covered outdoor spaces |
| Power | Hardwired, universal 120–277V |
| LED lifetime | 50,000 hours to L70 |
| Visual Comfort item no. | 700FMKOSA18 + finish/option code (2 versions) |
Where It Shines
Bedrooms, hallways, kitchens, laundry rooms and offices. Explore the family: Kosa 13.
Sizing & Installation
Getting a ceiling light’s scale right is simple math. For the Kosa 18:
| Room match | about 9 × 9 ft (room length + width in ft ≈ width in inches) |
|---|---|
| Depth below ceiling | 4.6″ (fine for 8 ft ceilings) |
| Hallway spacing | every 8–10 ft |
| Canopy | 18″ x 18″ Round |
The room match is our math (length + width in feet ≈ width in inches). It is hardwired to a ceiling box, so book a licensed electrician.
Downloads from Visual Comfort:
Questions We Hear Most
What is the idea behind the Kosa 18?
Sean Lavin designed it so that it is a soft dome of even, glare-free light, modern simplicity for any ceiling. It belongs to Visual Comfort's Kosa family, which comes in several sizes and versions.
Which Kosa 18 finish works with my palette?
Our take: black gives a crisp, graphic outline; white melts into a pale ceiling.
Can the Kosa 18 be the only light in the room?
It is designed as mood lighting (899 lumens), so pair it with lamps or recessed lights for tasks.
What size room suits the Kosa 18?
Add your room's length and width in feet; that number in inches is a good fixture width. At 18″ it fits rooms of about 9 × 9 ft.
Will the Kosa 18 work outside under a roof?
Yes. Visual Comfort rates it for damp interiors and outdoor spaces under cover, so a loggia or covered patio is fine; keep it out of direct rain.
Will I ever change a bulb in the Kosa 18?
There are no bulbs. The light comes from built-in LED modules with a 50,000-hour L70 rating, fitted at the factory.
How does the Kosa 18 mount to the ceiling?
It fastens to a standard ceiling junction box under its 18″ × 18″ Round canopy and is hardwired by an electrician.
How soon can the Kosa 18 arrive?
All the versions we offer are in stock right now, and in-stock pieces usually leave within 2–3 business days.
Why We Love It
Kosa is simplicity, perfectly lit.
Working on a project? Designers and architects can open a LoftModern trade account for trade pricing and specification help.
Shipping Info
| Processing Time | In-stock pieces ship out in 2–3 business days. |
|---|---|
| Ships From | United States |
| Shipping | Ground shipping is free on orders of $100 or more within the lower 48 states. |
| Returns | Final sale. Tell us about any transit damage within 2 days of delivery. |
Shipping & Returns
Free Shipping within the U.S. for orders over $100.
Because many of our pieces are made to order or specially sourced, most items are considered final sale.
What are the items you could return?
1. Items received damaged or broken
2. Incorrect items that were shipped
3. Defective items
A replacement will be shipped right away.
Looking to save more? Ask us for a discount—we're happy to work with your budget.
We're happy to help with product questions, quotes, lead times, trade orders and design advice. Send us a message with the form below, or reach us directly:
Phone: (866) 817-1878
Email: info@loftmodern.com
Address: LoftModern, a division of Modern Design Center, Inc., 337 N Vineyard Ave, Ontario, CA 91764, USA
We reply to messages within one business day. For damaged or incorrect items, please see our Return and refund policy. Interior designers and trade professionals can apply for a trade account.
Give us your space goals—we’ll suggest the perfect piece.
Not sure where to begin or which piece is right for your space? We’re here to help! Whether you need layout ideas, color pairing tips, or a second opinion before you hit “add to cart,” our design team is happy to offer guidance tailored to your style, needs, and home.