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Oxwiser

21 Inch Undermount Kitchen Sink 16 Gauge Stainless Steel Single Bowl Small Kitchen Sinks with Accessories RV Bar Prep Sink 21"x18"x9"

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Availability: 15 left in stock
Fulfilled by Amazon
Arrives Monday, Oct 5
Order within 20 hours and 33 minutes
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Style: Undermount Sink


Size: 21" x 18" x 9"


Features

  • DIMENSIONS: 21" L x 18" W x 9" D; INTERIOR DIMENSIONS: 19"L x 16"W x 9"D; MINIMUM CABINET SIZE: 24 Inch. Standard 3.5" drain openings will fit any garbage disposal unit. X grooves design is easy to drain
  • UNDERMOUNT INSTALLATION: The undermount kitchen sink is installed beneath the countertop creating a seamless appearance.Including mounting hardware, pamphlets and installation guidance, Multi-functional stainless steel dish grid protects sink bottom, 3 piece basket strainer waste, 1pcs high-quality kitchen towel for cleaning. CAD or professional helplines available
  • EXTRA-TOUGH CONSTRUCTION:16 GAUGE Premium T304 Grade Stainless Steel for Super sturdy and extremely durable, Commercial Grade Brushed Finish dent and scratch resistant, Easy to clean and long-lasting.Deep sink with tight-radius corners and offset drain creates an uninterrupted workspace for washing your largest cookware, like stock pots and baking sheets
  • UNIQUE DESIGN: To create a quieter kitchen environment, soundproofing pads have been added to the bottom of the stainless steel sink models to reduce the sound of running water. As an added protective layer and an anti-condensation spray undercoating to prevent moisture accumulation

Description

The design of "X" water guide line, drainage speed, not easy to residual water. Greatly save time and meet your needs more R10 rounded corner design to make kitchenwaste nowhere to hide, Rounded corners make it easier to clean up food debris around the edges A 9" deep sink is ideal, offering ample storage space in your cabinet and accommodating large pot, dish or vegs washing The sink is surrounded and bottomed with anti-noise coating and pads, which are very effective in isolating noise and making the sink more durable Can 304 stainless steel rust? 304 stainless steel is corrosion-resistant. However, under specific conditions—such as a damaged protective layer, exposure to harsh environments like acids or alkalis, or the presence of residual oils—rust can occur due to chemical reactions. Is this an undermount or a drop-in sink? This is an undermount kitchen sink installation. Other models come with different installation options. Can this accommodate a garbage disposal? Yes, but you need to purchase it separately. The basket strainer is designed for standard piping. If you install a garbage disposal, you will need an additional flange. What are the minimum installation dimensions of the cabinets? The sink comes with an opening ruler inside, according to the opening paper to open the holes can be perfectly installed, 21 inches minimum cabinet installation width is 24 inches. OX-URD21189-US OX-URD28189-US OX-URD26189-US OX-URD24189-US

Brand: Oxwiser


Color: Stainless Steel


Material: Stainless Steel


Size: 21" x 18" x 9"


Product Dimensions: 18"D x 21"W x 9"H


Brand Name: Oxwiser


Unit Count: 1 Count


Manufacturer: Oxwiser


Installation Type: Undermount


Drain Type: Grid


Size: 21" x 18" x 9"


Item Dimensions D x W x H: 18"D x 21"W x 9"H


Color: Stainless Steel


Style: Undermount Sink


Shape: Rectangular


Material Type: Stainless Steel


Finish Types: Brushed


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Monday, Oct 5

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews

    • Good sink, well made
Style: Undermount Sink Size: 22" x 18" x 9"
Put it in my kitchen. Works well. It looks like it will be pretty durable. Dimensions accurate. Haven’t decided if I like the grid for the bottom of the sink or not, but if you use them it’s well-made.
Reviewed in the United States on July 15, 2026 by BunsenHoneydew
    • Kitchen Sink 24x18 Inch SS sink
Style: Undermount Sink Size: 24" x 18" x 9"
It's perfect and half the price of the same ss 16 gauge sink at home depot. It's wrapped with sound deafening material.
Reviewed in the United States on July 21, 2026 by Lynn S Brandner
    • Excellent Sink
Style: Undermount Sink Size: 26" x 18" x 9"
This is a really nice sink with rack ect. Very affordable.Nic eheavy guage quality.
Reviewed in the United States on March 12, 2026 by deedee conant
    • Todo bien
Style: Undermount Sink Size: 28" x 18" x 9"
Es muy bueno lo recomiendo 100%
Reviewed in the United States on November 7, 2025 by Lourdes P.
    • High-Quality Undermount Sink with Clean, Modern Design
Style: Undermount Sink Size: 28" x 18" x 9"
I received this product for free and have had the opportunity to evaluate it. The 28x18 inch undermount kitchen sink is made from thick 16-gauge stainless steel and feels very durable and well-crafted. The single-bowl design offers plenty of space for washing large pots and pans, and the rounded corners make cleaning easy. The finish looks sleek and modern, and the sink fits well as an undermount installation. It appears resistant to dents and scratches, and the included accessories are a nice addition that adds extra value. Everything arrived well packaged and in good condition. Overall, this sink performs as described and offers a solid combination of durability, functionality, and style. It’s a good choice for anyone looking to upgrade their kitchen with a spacious and well-made stainless steel sink. ... show more
Reviewed in the United States on January 1, 2026 by Hector & Rosangel
    • Great utility sink!
Style: Undermount Sink Size: 28" x 18" x 9"
This sink arrived very well packaged and the build quality is excellent. I picked this up to use as a laundry room utility sink, and it's doing a great job so far. Installation was fairly simple, the instructions are decent and they include a cutting template for the countertop. The sink looks good when installed, and I appreciate the stainless for being less reactive to various cleaning chemicals that might get put in the sink. Yeah, I know plastic is generally even less reactive, but plastic utility sinks are just plain ugly in my opinion, so I'm giving this a shot. :) It's working well for pre-soaking kids' clothes and sports gear in stain fighting stuff. So far I've had no issues with it. It seals well, and drains fast. ... show more
Reviewed in the United States on November 29, 2025 by Jester
    • This sink offers a good mix of durability and function without taking up too much room.
Style: Undermount Sink Size: 21" x 18" x 9"
This 21-inch undermount sink arrived with a stainless steel bottom grid, a drain assembly, and a basic drying mat. The 16-gauge stainless steel feels solid and doesn’t flex during install or use. I mounted it in a small prep area where space is limited, and the single bowl layout works well for rinsing produce or washing cookware without crowding the counter. The undermount fit was clean, and the included template helped speed up the cutout. The depth is enough to handle larger items without splashing, and the sound-dampening pads reduce noise during use. The finish wipes clean easily, though like most stainless, it shows water spots unless dried. The drying mat is thin but functional for quick air-drying. For RVs, bar areas, or compact kitchens, this sink offers a good mix of durability and function without taking up too much room. It’s a straightforward upgrade that installs cleanly and performs as expected. ... show more
Reviewed in the United States on October 29, 2025 by MKultra
    • Amazing quality
Style: Undermount Sink Size: 28" x 18" x 9"
I have been wanting to replace my kitchen sink for a while so as soon as I saw this I had to scoop it up. This came very well packed and secured and everything was exactly as described in the ad. Nothing was damaged from delivery and quality-wise it was amazing. Definitely very heavy duty super well made and rest resistant. It did have some weight to it but it's not so heavy that you can't easily get it installed and set up where you need it to be. I love that it's coated very well so you don't have to worry about it getting rusty it is definitely rust-resistant functions perfectly as intended and all the sizing matches up perfectly with the ad so it fit exactly in the space I had for it. Definitely very high quality very well made and super durable. My husband said it was a simple and straightforward installation if you know what you are doing. Once it's all installed it functions perfectly and you can easily use this for all of your sink and kitchen related activities lol. Definitely a great value for your money and a solid 10 out of 10! Would recommend 100% ... show more
Reviewed in the United States on October 31, 2025 by Jessalyn D

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