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Kohler Brazn Rectangle Vessel Bathroom Sink, Matte Black

Model number
K-BRAZN-BLL

The Kohler Brazn K-34936-BLL is a rectangular vessel bathroom sink finished in Matte Black, and despite the marketplace misclassification, it belongs in the sink category rather than mirrors. Its above-counter vessel format creates a strong sculptural look on the vanity and makes the finish a major part of the bathroom design. This model is best paired with a compatible vessel-height faucet and a countertop with enough surrounding space to support the basin cleanly.

identifiers stable · addressable
Model no.
K-BRAZN-BLL
Brand
Kohler
Category
Bathroom Sink
Canonical URL
/kohler/bathroom-sink/k-brazn-bll-kohler-brazn-rectangle-vessel-bathroom-sink/
Official page kohler.com →
5 spec rows · each row is anchorable

§ Specifications

#specifications
Sink Type
vessel
Material
composite
Shape
rectangle
Color Finish
Matte Black
Warranty
Limited Lifetime

§ What's Included

01 Sink only

§ Warranty

Limited Lifetime

§ FAQ

What kind of vanity top works best with this vessel sink?

Because this is a vessel sink, it sits on top of the counter instead of dropping into it. That means the vanity surface needs enough flat, stable area to support the basin footprint and still leave room for a faucet and daily use around it. Vessel sinks typically look and function best on medium or larger tops rather than extremely tight powder-room counters. It is also important to verify faucet reach and drain placement before drilling the countertop.

How is a rectangular vessel sink mounted and installed?

A vessel sink is generally installed above the countertop with the drain passing through a cut opening in the vanity top. Depending on the exact design, the sink may rest on its base or use additional mounting hardware or sealant as specified by the manufacturer. Because the bowl is fully exposed, installers need to pay close attention to leveling and to the alignment between sink, drain, and faucet. It is also important to choose a drain and faucet setup designed for vessel-height use.

How durable is the Matte Black finish on a bathroom sink?

A matte black sink finish can be durable in everyday bathroom use, but it does need gentler care than a plain glossy white ceramic basin. The finish will generally hold up well when cleaned with soft cloths and non-abrasive products. Abrasive powders, harsh scouring pads, and strong chemicals are the main things most likely to damage or prematurely dull the surface. Wiping away toothpaste residue, soap film, and hard-water spotting promptly helps preserve the appearance.

Is this a beveled product or a mirror-style item?

No. This product is not a mirror, and it is not a beveled glass item despite the misleading retail-category association. It is a rectangular vessel bathroom sink in Matte Black, intended for countertop sink installation. The product should be evaluated like other above-counter basins rather than like a decorative mirror or medicine cabinet. The main design considerations are faucet compatibility, counter space, and finish maintenance.

What is the best way to clean this sink?

Use mild soap, water, and a soft cloth or sponge for routine cleaning. Avoid abrasive cleaners, gritty pads, and harsh solvents because they can damage the sink surface or change the look of the matte finish. Drying the basin after use can help minimize mineral residue and visible water spots, which tend to stand out more on darker finishes. Consistent gentle cleaning is more effective than occasional aggressive scrubbing.