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Karran Sternhagen quartz vanity sink defines this 23-5/8 inch wide by 17-3/4 inch deep black single bowl vanity quartz sink as a focused solution for bathroom projects where a solid, uniform basin dimension helps with layout, faucet placement, and countertop cutout planning. The sink is designed for an above-counter installation in any countertop material, so it sets on top rather than dropping in, which simplifies edge finishing on stone, solid surface, or laminate and keeps more of the bowl height visible for a modern vessel look. Being a single bowl vanity sink keeps the cutout area compact, which is useful when working with 27 inch minimum cabinets where interior space and plumbing runs are tight. The sink is made from quartz composite, giving a consistent structure throughout the bowl that helps it feel substantial during mounting and during routine use in a vanity environment.
This sink is designed for an above-counter installation in any countertop material, so installers work primarily with a cutout for drain and faucet clearance instead of a full drop-in opening, which can speed fabrication and reduce exposed raw edges. Using an above-counter configuration also allows the sink rim to sit fully on the finished surface, giving a continuous bearing area that helps with stable placement and sealant application along the contact line. With a minimum cabinet size of 27 inches, the base cabinet constraint gives designers a clear lower limit for vanity width, which supports accurate cabinet selection and layout in tight bathrooms. The 23-5/8 inch width and 17-3/4 inch depth offer defined outside dimensions that integrate into countertop drawings and help align the bowl with mirrors, lighting, and wall clearances.
This SQS500BL quartz vessel sink is designed for an above-counter installation in any countertop material, so it integrates into stone, solid surface, or laminate tops wherever a vessel appearance is desired without requiring material-specific bowl support features. The 23-5/8 inch width works within vanities that meet the 27 inch minimum cabinet size requirement, which suits compact bath layouts while still leaving room for deck space at the sides. Its single bowl footprint provides a defined basin area that aligns well with centered faucets and mirrors, supporting symmetrical vanity designs in residential or light commercial bathrooms. Because the sink is ADA compliant, it fits accessibility-focused projects where the fixture set needs to coordinate with clearances below and around the vanity.
The sink is made from quartz composite, so the uniform material structure supports precise edge definition, which helps templates, cut sheets, and on-site measurements match the installed footprint and reduces unexpected adjustments. The non-porous, naturally hygienic material means the surface does not absorb moisture from daily use, helping the rim and bowl maintain their appearance over time and limiting callbacks related to discoloration or difficult-to-clean areas. Its black finish across the quartz composite gives a consistent color field that hides minor marks from routine use better than lighter tones, which is helpful in heavily used vanity locations. The above-counter installation design reduces the need to grind or polish internal cutout edges on many countertop materials, keeping most field work to drilling and sealing. With the 23-5/8 inch by 17-3/4 inch overall size paired with the 27 inch minimum cabinet, installers can set clear expectations for rough cabinet framing, countertop fabrication, and faucet alignment before arriving on site, supporting smoother, more predictable installs.
The Karran Sternhagen model SQS500BL is a black single bowl vanity quartz sink designed for above-counter use, which gives bathrooms a vessel-style basin with defined overall dimensions.
The sink is designed for an above-counter installation in any countertop material, so it sits on top of the finished surface and uses a cutout mainly for drain and faucet clearance.
The sink requires a minimum cabinet size of 27 inches, which sets a clear lower limit for the vanity base when planning layouts and aligning with plumbing rough-ins.
The vanity sink measures 23-5/8 inches wide by 17-3/4 inches deep, giving installers precise outer dimensions for countertop fabrication and positioning on the vanity.
The Karran black vanity sink is made from quartz composite, providing a dense, consistent structure that supports a solid feel and well-defined edges around the bowl and rim.
The non-porous, naturally hygienic quartz surface does not absorb moisture, so it simplifies cleaning, supports stain resistance, and keeps the bowl suitable for regular vanity use.
The Karran Sternhagen black single bowl vanity quartz sink combines a 23-5/8 inch by 17-3/4 inch footprint with a 27 inch minimum cabinet size requirement, so it slots cleanly into many standard vanities. Its above-counter installation in any countertop material offers flexibility on stone, solid surface, or laminate tops while keeping the vessel profile visible. With quartz composite construction and a non-porous, naturally hygienic surface, the SQS500BL supports everyday bathroom use with straightforward maintenance. For projects that call for an ADA compliant black vessel-style basin with defined cabinet and countertop parameters, this sink provides a clear, specification-driven option.
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