Karran Quartz Undermount Sink For Equal-Station Kitchen Work
The Karran QU-720 is a double equal bowl quartz composite undermount kitchen sink sized to anchor a full-production kitchen workflow. Its symmetrical layout puts equal working depth on both sides of the divide, so wash and rinse stations share the load without compromise. The QU Series mounts beneath quartz, granite, and solid surface countertops, with the faucet drilling handled through the countertop deck rather than the sink itself.
Key Features
• 80% quartz / 20% acrylic resin construction delivers a material that holds up against everyday scratches, stains, chips, and heat.
• Double equal bowl configuration gives both stations the same interior dimensions for a balanced wash-and-rinse or prep-and-wash setup.
• Standard undermount mounting with a flat rim leaves no exposed ledge above the counter for a clean, wipe-down surface edge.
• No faucet deck on the sink body means the faucet and any accessories mount directly through the countertop, keeping the installation flexible.
• Gray finish coordinates naturally with concrete-look, light stone, and white countertop materials.
• 9-inch bowl depth provides generous clearance for stacking dishes, large cookware, and full sheet pans.
Where This Sink Earns Its Place
A symmetrical double bowl is the right call when two people regularly share the sink or when the kitchen workflow runs dish washing and food rinsing simultaneously. Neither station is a compromise here: both bowls carry equal width and the same 9-inch depth, so a full pot fits on either side. That balance also makes this sink a practical specification for kitchen renovation projects where clients want a clean undermount profile without giving up bowl capacity on the secondary side.
Because the QU-720 undermounts beneath the countertop surface, it pairs well with quartz, granite, and solid surface tops where a smooth, uninterrupted counter edge is part of the design. Cabinet shops and fabricators specifying for a sink base will want to confirm the cutout against the actual sink dimensions before cutting, and the faucet hole layout will be determined by the countertop rather than the sink.
Quartz Composite Construction in Gray
Karran's quartz composite formula combines natural quartz crystals with acrylic resin to produce a bowl surface that resists the scratches, stains, chips, and heat of active kitchen use. This is a different material category from stainless steel or acrylic alone: it has the visual warmth and matte texture of stone with the structural consistency of an engineered composite. The Gray color runs through the material rather than sitting as a surface coating, so minor surface contact does not reveal a lighter substrate underneath. Gray reads as neutral across a wide range of countertop colors and cabinet finishes, making it a low-risk specification for kitchens in renovation pipelines where the final countertop selection may still be in flux.
Who Orders This Sink
Cabinet shops and kitchen remodelers reach for the QU-720 when a client wants the look of an undermount stone-edge sink without paying for a high-end seamless fabrication process. Homeowners remodeling a primary kitchen find the equal bowl split practical when their household splits kitchen duties between two people. Designers specifying for rental property upgrades or mid-range renovation budgets get a quartz composite bowl that photographs well and holds up through repeated use without demanding specialty care. For any of these buyers, the Gray finish keeps the sink from fighting the countertop selection and lets the cabinet and hardware carry the design direction.
Does this sink install the same way as a standard undermount?
Yes, the QU-720 uses a conventional undermount installation method with clips and adhesive appropriate to the countertop material. It is not a seamless-series sink, so the installation does not require the bevel-bit or seam-adhesive steps used for Karran's Q Series. A standard undermount process for quartz, granite, or solid surface applies.
Where does the faucet mount on this sink?
The QU-720 has no faucet deck, so the faucet mounts through the countertop. Your fabricator will drill the hole count and placement that matches your chosen faucet during countertop preparation. This is standard practice for undermount sinks in stone and solid surface.
Are grids, strainers, or a drain assembly included with this sink?
This SKU is the bare sink. Basket strainers, bottom grids, and drain assemblies are sold separately. If you need those components, look for the compatible Karran accessories matched to the QU-720 model.
Is a paper template included for the cutout?
Karran QU Series spec documentation states that a template is not included. Fabricators should have the actual sink on hand before making the cutout, and a DXF file may be available from Karran for CNC use.
A Sink Built to Match the Pace of the Kitchen
The QU-720 brings quartz composite durability and a balanced double-bowl layout to kitchens where the sink gets daily, demanding use. Undermount beneath stone or solid surface, it clears the counter edge cleanly and keeps both stations equally productive from the first day of use.
