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Description
Karran 34" Undermount Quartz Composite Kitchen Sink with Accessories, 60/40 Double Bowl, Grey, QU-721-GR-PK1Karran 34" Undermount Quartz Composite Kitchen Sink with Accessories, 60 40 Double Bowl, Grey, QU 721 GR PK1 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
Karran 34" Undermount Quartz Composite Kitchen Sink with Accessories, 60/40 Double Bowl, Grey, QU-721-GR-PK1
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.
Its stylish curved rear bowl walls and gently curved side walls gives this large/small bowl design a unique and appealing aesthetic. Its quartz composite material gives it outstanding durability and will provide years of trouble-free use. This undermount design is available in a selection of 6 elegant color choices to compliment any decor. Karran Quartz sinks are a great compliment to your home improvement project.
Available In:
Please see our color disclaimer.
Features
- Designed for installation into granite, quartz and solid surface countertops
- Made from 80% natural quartz crystals and pure acrylic resin
- Heat resistant up to 535F and can withstand rapid temperature changes from cold and hot water
- Durable quartz material is non-porous, preventing the spread of germs and bacteria
- Smooth, non-porous material means food residue won't stick or stain the sinks surface
- Extremely stain, scratch, abrasion and impact resistant
- Quartz material absorbs vibration and minimizes noise when in use
- Natural quartz combined with pure acrylic resins provides deep, rich colors with a choice of 6 to choose from, and UV stabilization to keep those colors looking like new for years
- Regular cleaning is simple with just a cloth and soapy water
- Rear drain locations provide more storage room in your cabinet below and 9" deep bowls provide plenty of room to accommodate all your cookware
- Series: Quartz QU Series
- Bowl configuration: Large/small bowl
- Overall sink length (side to side): 33-1/2"
- Overall sink width (front to back): 20-5/8"
- Inside bowl dimensions: Left - 18" x 18" x 9"
- Inside bowl dimensions: Right - 11-1/8" x 16-1/2" x 9"
- Minimum cabinet size required: 36" sink base cabinet
- Drain opening size: 3-1/2"
- Compatible with most garbage disposals
- Approximate weight: 36lbs
- Certifications: cUPC certified
- Accessories included with sink: 2x Bottom Grids, 2x Basket Strainers, 1x Luster Pro Oil, Template and clips
- IAPMO Certified
Related Products
Faucet(s):
- KKF210BG, KKF210C, KKF210GG, KKF210MB, KKF210SS, KKF220C, KKF220MB, KKF220SS, KKF230C, KKF230MB, KKF230SS, KKF240C, KKF240SS, KKF250C, KKF250SS, KKF260C, KKF260SS
Details
| Bowl Split: | 60/40 |
|---|---|
| Box Height: | 15" |
| Box Length: | 37" |
| Box Weight: | 53 lb(s) |
| Box Width: | 26" |
| Certification: | IAPMO Certified |
| Color: | Grey |
| Country of Origin: | India |
| Drain Placement: | Rear Center |
| Drain Size: | 3.5" |
| Finish: | Matte |
| Inner Depth: | 9" |
| Installation Type: | Undermount |
| Installation Hardware Included?: | Yes |
| Item Height: | 9" |
| Item Length (Front to Back): | 20.625" |
| Item Weight: | 36 lb(s) |
| Item Width (Side to Side): | 33.50" |
| Material: | Quartz Composite |
| Minimum Cabinet Size: | 36" |
| Number of Bowls: | 2 |
| Number of Faucet Holes: | 0 |
| Overall Dimensions: | 33.50" x 20.625" x 9" |
| Shape: | Rectangular |
| SKU: | QU-721-GR-PK1 |
| Ship Method: | FedEx Ground |
Warranty
25 Year Limited Warranty
Karran Warranty Details (PDF)
Installation Instructions
Installation Instructions (PDF)
Product Care
Karran Product Care (PDF)
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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 18 reviews
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Product Reviews
★★★★★ 5
Simple and very useful
Color: White
Right out of the box it works just as expected, gets perfectly hot. Even with a small cup, my coffee typically cooks to quickly for my taste. Jumping up to give it a pop in the microwave gets old fast. Problem solved. For already hot coffee, the low is enough to keep it sippable. I'm pretty sure I could hear a can of soup from room temp on the high setting. I do hope it is doable because this is a perfect hot plate.
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Reviewed in the United States on April 22, 2026
★★★★★ 4
Works great but design flaw.
Color: Wood
Works great. 3 settings. The first is HOT. I usually use the middle or low setting and they keep my cup warm and drinkable. There is a flaw though with this device. The warming button is so easy to touch /come on that several times on my desk, it has come on without me realizing it from paper hitting it, a pen rolled against it or simply moving it over and it is on highest setting when it comes on so I have burned my fingers now twice. I just always double and triple check it isn’t on.
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Reviewed in the United States on February 14, 2026
★★★★★ 5
Powerful Mug Warmer with Excellent Heat Output and Large Heating Surface
Color: Wood, Color: Wood
CAUTION: Unplug when not using. It is very easy to activate or turn on by mistake. Simply brushing up next to it will turn it on.
Nonetheless, I use this SWEETFULL coffee mug warmer every morning and afternoon. It’s usually one of the first things I turn on so I can preheat my latte cup before pulling espresso. I like my lattes very hot, and preheating the cup helps prevent heat loss during extraction. I also use it as a candle warmer as an alternative to open flame, which I prefer for indoor air quality.
The heat output is impressive. Even on the lowest setting, it gets very hot and reaches usable temperature quickly. The large heating surface is a major advantage. My latte and cappuccino cups have a wide mouth, and this warmer heats the entire base evenly rather than just the center, which makes a noticeable difference in temperature retention.
Warm-up time is reasonable, though slightly faster heating would make it even better, especially during busy mornings when I’m trying to get out the door. That said, it’s not slow enough to be a real drawback, and once it’s hot, it performs consistently.
Overall, this is a strong performer that does exactly what it’s designed to do. It’s a great option for coffee lovers who want hotter drinks for longer, and for candle users who prefer a flame-free, cleaner alternative inside the home.
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Reviewed in the United States on February 22, 2026
★★★★★ 5
Best mug warmer I have tried
Color: Wood
I am retired and use my mug warmer pretty much all day. I normally start my day with a cup of coffee and then switch to tea the rest of the day. Even when I work on projects around the house or leave to run errands, there is a cup of something on the warmer. So there is basically a mug on the warmer from 7 am until midnight making a good quality mug warmer a necessity.
I have tried two other mug warmers and with mixed results. The others I tried both turned on automatically activated by the weight of the mug which I did like. However, there we a few times when I left a mug on the warmer overnight so that design has it's flaws, and now that I have tried it, I prefer the four hour auto shut off feature of this model. I also like the three temperatures settings....a lot. The high temp setting (and it's hot) comes in real handy when you need to reheat a mug's contents after it shuts off when left unattended. I also use it when I make instant oatmeal in a ceramic bowl that has a thick bottom and it keeps the contents hot. Plus the middle and low end settings are nice so you can change the temperature of the contents to suit your mood.
One design feature I have really come to appreciate is the no slip bottom. This mug warmer stays put and does not slide around on the table top. A real nice feature if you have furniture made from wood or other finish that might otherwise get scratched.
The soft touch switch on this mug warmer blends in with the wood design of the model I have which does make it a bit harder to see, especially in low light settings. However, it is directly opposite the power cord so I have gotten use to locating it by feel and activating it by a swipe of one finger....it's pretty cool once you get used to it. Plus the indicator light is easy to see and know what setting the warmer is on.
After having used this mug warmer for a while now I have really come to appreciate the quality and features this unit has for the price. The others I tried were as much as $10 more and not nearly as nice...and obviously did not last very long. One thing worth pointing out is the hot setting is very hot. If you have small toddlers in the house who use things to help them stand up and balance, this might not be the best model to choose. But that is the only real negative I can think of really. In my opinion, and this is all about that, this is a great mug warmer at any price point and I can recommend it without hesitation.
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Reviewed in the United States on May 14, 2024
★★★★★ 5
Worth more than $20 I paid!
Color: Black
I was very surprised with how expensive this felt and looked while still being affordable. It has several levels and kept my coffee hot. I love my coffee really hot and this kept it there for hours. Word of advice not all coffee cups will work it needs to be all ceramic or glass and cup handle will get hot.
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Reviewed in the United States on May 17, 2026