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Description
Karran 33" Drop In/Topmount Quartz Composite Kitchen Sink, Black, QT-812-BLKarran 33" Drop In Topmount Quartz Composite Kitchen Sink, Black, QT 812 BL Karran USA is one of the leading manufacturers of sinks and faucets for the kitchen and bathroom. Karran manufactures sinks in a variety of durable materials including stainless steel, acrylic, quartz composite, and vitreous china. The company was founded in the late 1990s in Vincennes, Indiana, USA, and has been a symbol for quality and reliability ever since. The Karran Top
Karran 33" Drop In/Topmount Quartz Composite Kitchen Sink, Black, QT-812-BL
Karran USA is one of the leading manufacturers of sinks and faucets for the kitchen and bathroom. Karran manufactures sinks in a variety of durable materials including stainless steel, acrylic, quartz composite, and vitreous china. The company was founded in the late 1990s in Vincennes, Indiana, USA, and has been a symbol for quality and reliability ever since.
The Karran Top Mount 33" Single Bowl Quartz Composite Kitchen Sink combines professional-grade performance with expansive workspace design for serious home chefs and busy family kitchens. Engineered with premium 80% natural quartz composite construction, this exceptional top mount kitchen sink delivers superior durability, extreme 535F heat resistance, and authentic granite stone aesthetics that seamlessly complement any kitchen design vision from traditional to contemporary. The extra-deep 9-inch single bowl with generous 30-inch uninterrupted workspace creates the ultimate canvas for elaborate meal preparation, oversized cookware handling, and extensive entertaining requirements without the limitations of dividers or multiple basins. Sound-dampening granite composite construction naturally eliminates noise and vibration for peaceful cooking environments, while DIY-friendly drop-in installation includes precision cutting template and complete mounting hardware system. This premium single bowl kitchen sink transforms culinary workflows with intelligent design features that serious home chefs demand for decades of reliable performance backed by comprehensive lifetime limited warranty protection, cUPC certification standards, professional-grade quality assurance, and authentic granite beauty that maintains showroom elegance for complete peace of mind.
Available In:
Please see our color disclaimer.
Features
- Premium 80% natural quartz composite construction provides commercial-grade durability with superior stain resistance, scratch protection, and fade resistance for demanding kitchen applications
- Extreme 535°F heat resistance with thermal shock protection prevents damage from hot cookware while maintaining pristine finish integrity throughout decades of heavy-duty use
- Extra-deep 9-inch single bowl with expansive 30-inch workspace offers maximum capacity and uninterrupted space for large cookware, oversized roasting pans, and extensive meal preparation tasks
- Uninterrupted single basin design eliminates workspace limitations while accommodating everything from delicate glassware arrangements to oversized holiday cookware with professional efficiency
- Sound-dampening granite composite technology naturally reduces noise and vibration without requiring additional soundproofing materials for serene cooking and entertaining environments
- Authentic granite stone aesthetic with luxurious appeal seamlessly complements natural stone countertops while providing sophisticated design versatility with minimal special maintenance requirements
- Professional drop-in installation system includes precision cutting template, mounting clips, and hardware for easy DIY setup with guaranteed perfect fit in standard 33-inch sink base cabinets
- Optimized rear-center drain placement maximizes usable workspace while increasing under-cabinet storage capacity and improving water flow efficiency for enhanced kitchen organization
- Four pre-scored accessory knockout holes provide complete flexibility for soap dispensers, beverage faucets, and personalized kitchen accessory installations as needed for custom functionality
- Professional-grade finish durability maintains showroom beauty with exceptional resistance to daily wear while requiring minimal special cleaning treatments or ongoing maintenance protocols
- Comprehensive lifetime limited warranty protection backed by rigorous cUPC plumbing industry standards and certification for long-term reliability and peace of mind assurance
- Standard cabinet compatibility fits perfectly in 33-inch sink base without requiring custom modifications or additional structural support for seamless kitchen integration
- Enhanced workspace efficiency transforms meal preparation and cleanup workflows with intelligent single-basin design that accommodates both everyday tasks and entertaining requirements
- Superior thermal shock protection handles extreme temperature changes from hot cookware without cracking, warping, or finish damage for professional-grade kitchen performance
- Restaurant-quality performance standards delivers decades of reliable service in demanding residential kitchen environments with commercial-grade durability and functionality
- Advanced water flow optimization prevents standing water accumulation while improving cleaning efficiency through strategically placed drainage systems and bowl slope engineering
- Scratch-resistant surface technology maintains pristine appearance even with heavy daily use, metal cookware contact, and intensive kitchen applications without showing wear patterns
- Fade-resistant color integrity retains beautiful finish appearance under continuous UV exposure, heat stress, and daily kitchen use without discoloration or surface deterioration
Details
| Bowl Split: | Single |
|---|---|
| Box Height: | 15" |
| Box Length: | 37" |
| Box Weight: | 48 lb(s) |
| Box Width: | 26" |
| Certification: | cUPC |
| Collection: | Quartz Top Mount Sinks |
| Color: | Black |
| Country of Origin: | India |
| Cutout Dimension: | 32-1/4" x 21-1/4" |
| Drain Placement: | Rear |
| Drain Size: | 3.5" |
| Faucet(s) Included: | No |
| Finish: | Matte |
| Inner Depth: | 9" |
| Inside Bowl Dimensions: | 30" x 16-3/4" x 9" |
| Installation Hardware Included?: | Yes |
| Installation Type: | Drop In/Topmount |
| Item Height: | 9" |
| Item Length (Front to Back): | 22" |
| Item Weight: | 37 lb(s) |
| Item Width (Side to Side): | 33" |
| Material: | Quartz Composite |
| Minimum Cabinet Size: | 33" |
| Number of Bowls: | 1 |
| Number of Faucet Holes: | 1 |
| Overall Dimensions: | 33" x 22" x 9" |
| SKU: | QT-812-BL |
| Shape: | Rectangular |
| Ship Method: | FedEx Ground |
| cUPC Certified?: | Yes |
Warranty
25 Year Limited Warranty
Karran Warranty Details (PDF)
Installation Instructions
Installation Instructions (PDF)
Product Specifications (PDF)
Product Care
Karran Product Care (PDF)
Related Products
Faucet(s):
- Karran Scottsdale Single Lever Handle Lead-free Brass ADA Kitchen Faucet, Pull Down, Brushed Gold, KKF210BG
- Karran Scottsdale Single Lever Handle Lead-free Brass ADA Kitchen Faucet, Pull Down, Chrome, KKF210C
- Karran Scottsdale Single Lever Handle Lead-free Brass ADA Kitchen Faucet, Pull Down, Gun Metal Grey, KKF210GG
- Karran Scottsdale 1.8 GPM Single Lever Lead-free Brass ADA Kitchen Faucet, Pull-Down, Matte Black, KKF210MB
- Karran Scottsdale 1.8 GPM Single Lever Lead-free Brass ADA Kitchen Faucet, Pull-Down, Stainless Steel, KKF210SS
- Karran Bluffton Single Lever Handle Lead-free Brass ADA Kitchen Faucet, Pull Down, Chrome, KKF220C
- Karran Bluffton Single Lever Handle Lead-free Brass ADA Kitchen Faucet, Pull Down, Matte Black, KKF220MB
- Karran Bluffton Single Lever Handle Lead-free Brass ADA Kitchen Faucet, Pull Down, Stainless Steel, KKF220SS
- Karran Tumba Single Lever Handle Lead-free Brass ADA Kitchen Faucet, Pull Down, Chrome, KKF230C
- Karran Tumba Single Lever Handle Lead-free Brass ADA Kitchen Faucet, Pull Down, Matte Black, KKF230MB
- Karran Tumba Single Lever Handle Lead-free Brass ADA Kitchen Faucet, Pull Down, Stainless Steel, KKF230SS
- Karran Weybridge Single Lever Handle Lead-free Brass ADA Kitchen Faucet, Pull Down, Chrome, KKF240C
- Karran Weybridge Single Lever Handle Lead-free Brass ADA Kitchen Faucet, Pull Down, Stainless Steel, KKF240SS
- Karran Dockton Single Lever Handle Lead-free Brass ADA Kitchen Faucet, Pull Down, Chrome, KKF250C
- Karran Dockton 1.8 GPM Single Lever Lead-free Brass ADA Kitchen Faucet, Pull-Down, Stainless Steel, KKF250SS
- Karran Hillwood Single Lever Handle Lead-free Brass ADA Kitchen Faucet, Pull Down, Chrome, KKF260C
- Karran Hillwood Single Lever Handle Lead-free Brass ADA Kitchen Faucet, Pull Down, Stainless Steel, KKF260SS
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.4 ★★★★★
Based on 11 reviews
Sort
Product Reviews
★★★★★ 5
Made in America nano-hydroxyapatite Toothpaste that's Well Worth Buying.
Size: 4 Ounce (Pack of 3), Set name: E. Orange Cream, Watermelon Mint, Strawberry Mango
This review is pretty much the same as the one I wrote for the Boka Coco Ginger.
Boka Toothpaste is just that good.
I've been using the Japanese brand Apagard Premio toothpaste for a couple of years now and recently I noticed this Boka toothpaste while looking for alternatives that wold be less costly. I've been using this toothpaste since the end of May, 2025. I wish they would sell it in larger tubes.
Boka Toothpaste is very mild and makes brushing your teeth better. It doesn't have that harsh mint flavor which with most toothpastes feels like it's burning your mouth. It comes in multiple flavors and when you're done brushing your teeth, there is no need to rinse your mouth as it is a safe toothpaste to use.
After having used it for a few days, I decided that I will keep using the Boka brand from now on.
I just wish that most stores would carry this toothpaste instead pf selling all those major brands which are full of fluoride.
Did a bit of research and found that Boka Toothpaste has the same percentage of nano-hydroxyapatite as Apagard Premio which is 10%. So that means that Boka Toothpaste is just as good if not better.
No Fluoride
No Harsh burning Mint Flavor
Safe to shallow
Multiple flavors
10% nano-hydroxyapatite
Keeps your teeth Strong
And one thing I've noticed is nano-hydroxyapatite makes your teeth less sensitive by rebuilding your tooth enamel
I ordered four flavors, Watermelon Mint, Strawberry Mango, Orange Cream and Coco Ginger.
So far, I've tried the Coco Ginger and I was surprised at how mild it was and it didn't have the sharp taste that ginger usually has. It is good and I enjoy it. I also tried the Orange Cream which was good. I'm looking forward to trying the other flavors. The Orange Cream I'm sure my wife will like if I can get her to try it. But she can be very stubborn at times.
I see there are some other flavors which I intend to try such as the Cinnamint, Cucumber Dill, Lemon Lavender and Strawberry Basil. Not sure if I should try the Ela Mint as I don't know how strong or mild the mint will be.
I'm sure that if places such as Walmart brick & mortar stores sold this toothpaste, that it would sell really well.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 24, 2025
★★★★★ 5
Favorite toddler toothpaste
Size: 4 Ounce (Pack of 1), Set name: A. Strawberry Mango
I bought this for my 18month old who has all his teeth already. It works great. The smell is pleasant, the taste isn’t harsh, and the texture isn’t as thick as most toothpastes - perfect for a toddler. I’ve been using this for a couple of months now and have not noticed any irritation. He enjoys it about as much as any 18 month will, ha! It’s just as effective as fluorinated toothpaste. You get what you pay for. It’s a big tube!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 18, 2026
★★★★★ 4
Good flavor, not as full of tubes as I expected.
Size: 4 Ounce (Pack of 2), Set name: G. Orange Cream, Ela Mint
My kids have LOVED brushing their teeth with this. They had been fighting to let us brush for a while, so it was nice to find something they liked. My husband and I have been using the mint flavor, and it’s been good as well. We like the ingredients, and the texture is nice. The tubes both felt like they could have fit more, so I took off a star for size/value.
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Reviewed in the United States on March 9, 2026
★★★★★ 5
Very effective!
Size: 4 Ounce (Pack of 1), Set name: A. Strawberry Mango
I switched my son to this toothpaste and it has been great! I haven’t noticed whitening, but his teeth do look good and clean after he has brushed. He loves the flavor. And he is one to complain about “spicy” toothpaste. This toothpaste has never been whined about in my household. In fact, switching to this toothpaste has made brushing his teeth simpler because he enjoys the flavor so much. I have noticed it doesn’t foam up like other toothpaste’s do.
Another side story, and probably the biggest thing, I think this is actually shrinking my sons cavities. His pediatric dentist told me he would need fillings before his teeth could fall out at 12 (12 year molars). I saw the cavities on the xrays. A year later, the cavities are smaller. And the dentist said if things can maintain this way, there will be no need for fillings! He does brush morning and night, and often after lunch because we homeschool and he has that ability. But I’m just thrilled that my son could potentially avoid this procedure!
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Reviewed in the United States on April 23, 2026
★★★★★ 5
Love this stuff! Both toddler and mom approved
Size: 4 Ounce (Pack of 1), Set name: A. Strawberry Mango
I'm a repeat buyer! My toddler loves the taste and I love the ingredients. Boka is an awesome brand and I feel safe giving it to my kids and knowing their teeth are being cleaned.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 18, 2026
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