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Karran quartz undermount kitchen sink gives you a single bowl work area sized at 32-1/2 inches wide by 19-1/4 inches deep, so installers can lay out a generous washing zone in standard kitchen runs. The sink is designed for installation into quartz, granite and solid surface countertops, which lets you plan one material set for both top and bowl and maintain a clean, flush undermount reveal. It is made from 80% natural quartz crystals and pure acrylic resin, creating a dense, engineered surface that behaves consistently when cutting the opening and supporting the bowl. This model is part of the quartz sinks product class and carries manufacturer part number QU-812-GR, which helps match specifications and drawings. The sink is a gray, single bowl undermount style, giving designers a neutral color option that integrates with many stone countertop tones.
This Karran QU-812-GR sink is designed specifically for undermount installation into quartz, granite and solid surface countertops, so fabricators know they are working with a bowl intended for solid surfacing and stone support. The minimum cabinet size required is a 36 inch sink base cabinet, which sets a clear starting point for base layout and avoids interference with sidewalls. The drain opening size is 3-1/2 inches, matching a common kitchen drain dimension so plumbers can use standard strainers or drains sized to this opening. The rear drain location shifts the plumbing toward the back of the cabinet, freeing usable space near the front. All external dimensions are approximate to 1/4 inch, which gives fabricators a practical tolerance range during templating, cutting, and fitting.
The Karran quartz undermount kitchen sink works in installations where quartz, granite or solid surface countertops are specified, because it is designed for mounting into those materials. Its 32-1/2 inch by 19-1/4 inch footprint suits 36 inch sink base cabinets, fitting common residential base cabinet widths. The 9 inch deep single bowl format provides room for stacking dishes and soaking larger pans, helping busy kitchens keep work in one basin. The gray quartz finish pairs with many countertop colors, so designers can coordinate with light or dark stones without visual conflict. The rear 3-1/2 inch drain opening works with most garbage disposals, giving installers flexibility when they connect a disposer to the sink. The approximate 37 lb weight helps the bowl sit solidly once it is properly supported beneath the countertop cutout.
This Karran QU-812-GR sink uses 80% natural quartz crystals with pure acrylic resin, giving fabricators a predictable engineered material when laying out cut lines in quartz, granite or solid surface tops. Heat resistance up to 535 F means the bowl handles alternating hot and cold water without material distortion, supporting long-term alignment between sink rim and countertop. The non-porous quartz surface prevents the spread of germs and bacteria, so cleanup routines remove residue from a smooth, sealed surface instead of penetrating pores. Extreme resistance to stains, scratches, abrasion and impact helps keep edges, corners and the main bowl area consistent over time, which benefits repeatable faucet and accessory alignments relative to the bowl. External dimensions held to approximately 1/4 inch tolerance provide a reliable basis for shop drawings and templates, supporting consistent undermount reveals across multiple jobs.
The Karran QU-812-GR sink requires a minimum 36 inch sink base cabinet, so designers and installers can plan base layouts around a standard cabinet width.
The Karran quartz undermount kitchen sink is designed for installation into quartz, granite and solid surface countertops, matching common hard-surface kitchen designs.
The quartz gray single bowl has a 9 inch deep bowl, providing vertical space for large pots and stacked dishes while keeping most tasks below counter height.
The Karran QU-812-GR sink has a 3-1/2 inch drain opening and is compatible with most garbage disposals, allowing standard disposer connections.
The sink is heat resistant up to 535 F and withstands rapid temperature changes from hot and cold water, supporting everyday dishwashing without thermal stress to the bowl.
The durable quartz material is non-porous, preventing the spread of germs and bacteria, so cleaning removes residue from the surface without fluid entering pores.
The Karran quartz undermount kitchen sink combines a 32-1/2 inch by 19-1/4 inch single bowl layout, 9 inch depth and rear 3-1/2 inch drain opening to support real kitchen workflows. Its 80% natural quartz and pure acrylic resin construction, non-porous surface and 535 F heat resistance give fabricators and installers a defined material set for quartz, granite and solid surface countertop projects. With a minimum 36 inch sink base requirement and an approximate weight of 37 lbs, this gray undermount bowl fits standard cabinet runs while delivering a solid working basin. Put these fixed dimensions and material properties to work on your next kitchen or bath installation.
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