A Clean White Single-Bowl Undermount Sink for Solid Countertops

This Karran quartz single-bowl undermount sink is a kitchen sink kit finished in White, designed to mount beneath granite, quartz, or solid surface countertops for a seamless, rim-free installation.

Key Features

• Single-bowl configuration with a 22-inch interior length and 9-inch depth for a generous, uninterrupted basin.
• White quartz composite body made from a quartz-and-acrylic resin blend for a consistent, solid feel.
• Undermount installation into granite, quartz, or solid surface countertops, with a minimum 27-inch cabinet width required.
• 3-1/2-inch drain opening compatible with standard waste fittings.
• cUPC certified to meet North American plumbing standards.
• Sold as a kit with the components needed to get the install started.

One Wide Basin, Clean to the Counter Edge

A single-bowl undermount sink keeps all of the interior space available as one working area, without a divider interrupting the basin. That matters when you are washing a large sheet pan, filling a stockpot, or rinsing something bulky that would not fit in either side of a divided sink. Because the sink mounts from underneath the countertop, the counter surface runs directly to the bowl edge with no visible rim, which makes sweeping debris straight into the sink natural and keeps the counter plane unbroken. The White finish reads as a neutral that works against most countertop materials and cabinet styles.

Quartz Composite in White

The sink body is quartz composite, a dense blend of quartz and acrylic resin that gives the basin real weight and a matte, stone-like surface. White is a classic color choice here: it reflects light well, keeps the sink area feeling open, and coordinates with both light and dark countertop colors without competing. The quartz composite material holds its color consistently through the body rather than showing a different core if the surface is nicked, which is a practical advantage over a coated or painted finish.

Where This Sink Fits Best

This sink is the right fit for a primary kitchen installation where a single-bowl format suits the workflow, particularly in kitchens where a large, open basin is more useful than divided sides. It is built for new countertop installations into granite, quartz, or solid surface material. Plan it into a countertop being fabricated for this project rather than attempting to retrofit it into an existing cutout, and make sure the base cabinet is at least 27 inches wide before spec-ing it in. Homeowners planning a kitchen remodel, designers laying out a new kitchen, and cabinet shops building for a client who wants a simple, clean undermount setup will all find this a practical match.

Common Questions

A White Undermount Basin Ready for the Job

Choose this sink when the project calls for a clean, single-bowl quartz undermount in White that sits flush beneath a solid countertop and keeps the workspace simple and open.