Kohler K-8669-5UA1-FF - Riverby 33 In. Undermount Double-Bowl Kitchen Sink

Kohler K-8669-5UA1-FF - Riverby 33 In. Undermount Double-Bowl Kitchen Sink

Marsoni

M251S

$1780.12

Get it in 3 business days with 1 day shipping. Friday, May 29

Kohler K-8669-5UA1-FF - Riverby 33 In. Undermount Double-Bowl Kitchen SinkRevamp your kitchen with the functional elegance of Kohler Kitchen Sinks, SKU K 8669 5UA1 FF. Designed to meet the demands of everyday kitchen use, these sinks combine durability with a sleek design. Whether you're washing dishes, preparing food, or cleaning up, the Kohler sink makes every task easier. Available in a variety of styles and sizes, they fit seamlessly into any kitchen layout, enhancing both its functionality and aesthetic appeal. Choose

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This works really well! I used it several times and really saw a difference. Unfortunately I had a root canal done and the following day I decided to whiten and I thought I was going to die! I didn’t know my front tooth was going to be that sensitive from the tooth canal. That was my fault and only telling this story as a warning! Do not use this after dental work unless your dentist says ok! Otherwise it works amazingly!

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Reviewed in the United States on May 2, 2026

Verified Purchase

Zero

Alexandria, US

★★★★★ 4

Easy to use

Size: 4 Count (Pack of 1)

Continued use is needed for best results

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Reviewed in the United States on May 14, 2026

Verified Purchase

Nicole

Lake Worth, US

★★★★★ 5

No sensitivity issues and works!

Size: 4 Count (Pack of 2)

I have what I would consider sensitive teeth and this doesn’t bother them one bit. I have used nightly for about 5 nights and can see a difference in color but again, no pain or sensitivity problems! I would recommend to anyone who asks what product to get for whitening teeth.

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Reviewed in the United States on February 25, 2026