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Karran quartz single bowl undermount sink identifies this as a single bowl undermount sink in quartz from Karran, so it serves as a solid basin solution for kitchen or bath cabinets where an undermount install is preferred. The 24-3/8 inch wide by 19-1/8 inch deep size sets the footprint, which matters when planning cabinet layouts or matching to existing cutouts. Being a single bowl design creates one open working well, which suits washing larger cookware without dividers getting in the way. The gray color defines the finished look, letting this sink coordinate with a range of countertop and cabinet finishes. As a quartz sink in the quartz sinks product class, it fits design schemes that call for a solid, stone-like appearance in the work area. The Karran brand and specific QU-820-GR model tie the sink to a consistent manufacturing standard for repeat use across multiple jobs.
This quartz gray single bowl undermount sink is defined as an undermount model, so it installs beneath the countertop surface and relies on a properly sized cutout matching the 24-3/8 inch by 19-1/8 inch dimensions. Those dimensions guide layout when positioning the sink within a cabinet run, because the cabinet opening must accommodate the sink body and support structure. The undermount configuration leaves the deck of the countertop clear, which supports wiping water and debris directly into the basin without catching on a rim. The rear drain locations concentrate pipework toward the back of the cabinet, which keeps more uninterrupted space toward the front for cleaning supplies or other stored items. The 9 inch bowl depth defines how far the basin projects below the countertop, which matters when coordinating trap height and overall plumbing alignment inside the cabinet.
The Karran QU-820-GR quartz sink is identified as part of the quartz sinks product class, so it targets kitchens or baths where a solid, stone-like sink surface is desired alongside stone or composite tops. The 24-3/8 inch width and 19-1/8 inch depth define a compact rectangular footprint, which suits standard base cabinets that need a functional basin without consuming the entire cabinet run. Its single bowl layout focuses all space into one 9 inch deep well, which works well in prep areas that handle larger pans, baking trays, and stock pots needing full-depth immersion. The gray color gives a neutral, modern appearance, which blends into many cabinet and countertop combinations without dictating a specific color scheme. As a quartz undermount sink, it aligns with installations that want the sink visually integrated under solid-surface, stone, or engineered countertops.
The construction from 80 percent natural quartz crystals and pure acrylic resin defines the engineered material, which gives installers a predictable substrate when cutting countertop openings and shaping edges around the sink. Being heat safe up to 535 F describes how the basin tolerates high-temperature items, which matters for crews designing kitchens that routinely see hot cookware moved directly from cooking surfaces into the sink. The ability to withstand rapid temperature changes from hot and cold water clarifies performance during frequent, alternating hot and cold rinses, which supports long-term use in active kitchens. The non-porous quartz surface prohibiting the spread of germs and bacteria defines how the basin interacts with moisture and debris, which matters in environments focused on cleanable surfaces around food prep. Rear drain locations concentrate plumbing at the back of the cabinet, which supports consistent under-sink layouts from job to job when standardizing trap and supply placements. The 9 inch bowl depth sets a repeat vertical dimension, which helps keep drain connections and clearances consistent across multiple installs using the same QU-820-GR model.
The Karran QU-820-GR sink measures 24-3/8 inches wide by 19-1/8 inches deep, which sets the countertop cutout size and helps determine the cabinet space needed.
The bowl is 9 inches deep, which provides vertical clearance for larger pots and pans while guiding plumbing layout beneath the cabinet.
The sink is made from 80 percent natural quartz crystals and pure acrylic resin, creating an engineered quartz surface suited to solid-surface countertop installations.
The Karran QU-820-GR is defined as a single bowl undermount sink, so it mounts beneath the countertop rather than resting on top.
The rear drain location moves the plumbing toward the back of the cabinet, leaving more usable space toward the front for storage or other components.
The sink is heat safe up to 535 F and withstands rapid temperature changes from hot and cold water, supporting typical kitchen use with hot and cold flows.
The Karran quartz single bowl undermount sink in model QU-820-GR offers a 24-3/8 inch by 19-1/8 inch footprint, a 9 inch deep bowl, and a gray quartz surface built from 80 percent natural quartz crystals and pure acrylic resin. Its non-porous construction, rear drain layout, and ability to handle temperatures up to 535 F create a clearly defined performance profile for kitchens or baths using undermount sinks. For multi-job planning where a consistent undermount quartz sink specification is needed, this QU-820-GR gray single bowl model provides a repeatable size and material set ready to integrate into cabinet and countertop designs.
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