33 Granite Composite Kitchen Sink - 33in Matte Black Undermount

In this review of the 33 Granite Composite Kitchen Sink the bottom line is simple: this undermount single bowl sink is for homeowners who want a durable, food-safe basin with a clean matte black look and lots of usable space. The sink's biggest selling point is its premium quartz composite construction, which delivers heat resistance, strong impact resistance and a non-porous finish that is easy to keep clean. For kitchens that need a large, deep single bowl and a fast-draining, quiet sink, this model stands out as a sensible choice.

Key Features

• Premium quartz composite: The material blends natural quartz crystals and acrylic resin to create a hard, smooth, non-porous surface that resists chips, scratches and fading.
• Extra spacious bowl: A 33in by 19in footprint with a deep 8.9in internal bowl gives plenty of room for large pots, pans and prep work.
• Noise defend and drainage: Thick composite construction reduces vibration and noise while the slightly sloped bowl and R15 curved corners promote fast drainage and easier cleaning.
• Food-safe finish: Natural quartz allows direct contact with food without contaminating it, making the sink suitable for everyday cooking tasks.
• Complete sink set: The package includes a roll-up drying rack, a bottom rinse grid and a gold drain assembly so it is ready for undermount installation.

Who It's For

This sink is best for families or cooks who need a deep, single bowl workspace for large cookware, and for anyone who prefers a matte black finish that hides light staining and keeps a modern kitchen aesthetic. Its food-safe quartz composite and heat resistance also make it a practical choice for busy kitchens where durability matters.

Those who should look elsewhere include buyers who require a double-bowl configuration, a topmount installation, or a different color or stainless steel finish. If a heavier stone look and the tactile feel of real single-piece granite is a must, some users report the composite feel can differ from solid stone.

Pros & Cons

Pros

• Durable, scratch- and chip-resistant quartz composite that resists fading.
• Large 33in x 19in footprint with an 8.9in deep bowl offers generous usable space.
• Quiet operation thanks to thick construction and sound-deadening properties.
• Comes with accessories including a rinse grid, roll-up rack and drain assembly for easier setup.

Cons

• Some customers note the material feel can seem more like plastic than solid stone to the touch.
• As a single bowl undermount sink, it is not suitable for users who prefer double bowls or topmount installation options.

Specifications

Model Type	33in undermount single bowl
Overall Size	33in W x 19in D x 9.65in H
Internal Bowl Depth	8.9in
Material	Quartz composite (natural quartz crystals and acrylic resin)
Finish / Color	Matte black quartz
Drain Opening	Standard 3.5in offset
Cutout & Cabinet	Cutout 31in x 17in; minimum cabinet 36in

Our Verdict

The 33 Granite Composite Kitchen Sink is a strong value for households that want a large, deep undermount single bowl with a modern matte black finish and durable, food-safe quartz composite. It balances noise reduction, heat resistance and easy maintenance while including useful accessories, making it a smart pick for kitchen remodels where a roomy single basin and a seamless under-counter look are priorities.

Frequently Asked Questions

Is this sink safe for food contact?
Yes, the natural quartz composite is described as food grade and allows direct contact with food without contaminating it.

Will the matte black color fade over time?
Customers and the manufacturer report the superior black color is stable and not prone to darkening or fading under normal use.

What cabinet size and cutout are required?
The sink requires a minimum 36in base cabinet and a cutout of 31in width by 17in depth for undermount installation.