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The Karran Fusion UUMSB3022 is an 18-gauge stainless steel undermount kitchen sink with a single rectangular bowl, sized to anchor a full-width kitchen workstation and mount cleanly beneath a hard countertop.
A single uninterrupted bowl this size gives you room to move: a full sheet pan fits flat, a stockpot sits without bumping a divider wall, and prep can happen in one basin without having to work around a partition. The Fusion name signals a workstation-capable sink, and the 29-inch interior length confirms it. Whether a kitchen is used for daily home cooking or commercial-style meal prep, the open bowl format keeps the workflow from backing up.
At 18 gauge, this sink sits in the practical middle range for a residential kitchen: thick enough to resist flexing and denting under normal workstation loads, light enough to install cleanly without requiring heavy cabinet reinforcement. The stainless steel finish resists surface staining from food acids and cleans without special products. The 18-1/4 inch front-to-back width keeps the bowl proportioned for standard base cabinet depths, and the rectangular profile makes efficient use of every inch of the opening.
This is an undermount sink, so it belongs in a new countertop or a countertop being replaced. It is not designed to retrofit into an existing cutout. It suits quartz, granite, and solid surface countertop materials where undermounting is standard. Designers specifying a kitchen renovation and contractors building out a new kitchen island will find the 30-1/2 inch footprint fits a 33-inch base cabinet opening with room for a mounting apron. Homeowners planning a full kitchen remodel get a sink that disappears below the counter surface and lets the stone or engineered material take center stage.
No. Like all Karran undermount sinks, this one installs under a new or replacement countertop. It is not built to drop into an existing cutout that previously held a different sink.
Undermount installation works with quartz, granite, and solid surface countertops. Confirm your countertop material and fabricator requirements before finalizing the install plan.
The drain opening is 3-1/2 inches and accepts standard kitchen strainers and disposal flanges. Strainer and drain hardware compatibility should be confirmed with your preferred drain fitting before ordering.
A single bowl at 30-1/2 inches gives more usable interior space for large items and workstation tasks. Double bowls split that length into smaller compartments, which can make fit tighter for sheet pans and oversized pots.
For a kitchen remodel or new build that needs a stainless undermount sink with real interior depth and a workstation-scale opening, the Karran Fusion UUMSB3022 delivers a straightforward, well-proportioned single bowl that gets out of the way and lets the work happen.
Sold In: 1 Kit