



31" Extra-Large Undermount Stainless Steel Single Bowl Kitchen Sink, KH-3118-9-S-R20
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Order by 12 PM EST for Same-Day Shipping. Guaranteed.
Order by 12 PM EST for Same-Day Shipping. Guaranteed.
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Specification Sheet (PDF)
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CutOut Template (DXF)
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BIM File (RFA)
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Installation Guide (PDF)
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For Additional CutOut Templates and Design Files, click here
The 31-inch single bowl stainless steel kitchen sink offers expansive space and a bold, modern look—ideal for kitchens that demand high-capacity functionality without compromising design. Its extra-large single bowl easily accommodates oversized cookware, baking sheets, and meal prep tasks, making it an excellent fit for larger residential kitchens and high-traffic multi-unit installations.
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Undermount configuration supports a clean, uninterrupted countertop flow
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Extra-large single bowl provides maximum workspace for multitasking and cleanup
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Manufactured from durable 18-gauge, Type 304 stainless steel for superior longevity
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Premium sound-dampening pads and undercoating help minimize noise and vibration
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Tight-radius corners lend a modern edge while allowing for easier maintenance
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Rear-set drain optimizes both basin and under-cabinet storage space
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Angled base and creased drain lines promote fast, complete drainage
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3-1/2" drain opening accommodates most standard garbage disposals
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Non-porous surface resists stains, water spots, and everyday residue
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Anti-condensation undercoating reduces the risk of moisture buildup inside cabinetry
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Ships ready for installation with mounting hardware and cutout template
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Supported by Allora USA’s Limited Lifetime Warranty
With its impressive capacity and refined design, this extra-large single bowl sink is built to meet the needs of modern kitchens where size, efficiency, and durability matter most.
- Bowls Single Bowl
- Size (outside): 31" x 18" x 9-1/4"
- Size (Inside): 29" x 16" x 9"
- Min Cabinet Size: 36"
- Installation: Undermount
- Material: 18-Gauge 304 Stainless Steel
- Insulation: Noise-Reducing Coated Rubber Sound Pad
- Thickness: 18-gauge
- Warranty Limited Lifetime Warranty
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