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The Karran Cinox CCU100GG is a single-bowl round stainless steel undermount vanity sink in a Brushed Gunmetal Grey finish, designed to mount beneath a bathroom vanity countertop for a seamless, frameless look.
Gunmetal Grey occupies a distinct space in the finish palette: it is darker and more saturated than Brushed Stainless, and warmer and more restrained than matte black. That puts it squarely in the range of contemporary and transitional bathrooms where the hardware finish anchors the room. A vanity finished in a dark nickel, an oil-rubbed bronze faucet, or black cabinet hardware tends to pick up the undertones in a gunmetal sink rather than fight them. It also works well on lighter stone and engineered stone countertops, where the contrast reads as deliberate rather than accidental.
Stainless steel in a vanity sink is a less common choice than ceramic or composite, and that is part of the appeal for designers specifying a bath that steps away from the conventional. The Cinox series brings the material into a round, single-bowl format that suits a vanity the way a vessel or undermount ceramic would, but with the density and reflectivity of metal. The brushed finish in Gunmetal Grey reduces fingerprint visibility and keeps the surface from looking mirrored or clinical. At 4-3/4 inches deep, the bowl holds enough depth for a working bathroom basin without requiring an oversized countertop cutout.
This sink installs from below the countertop, so the countertop material needs to support undermounting. The 15-3/4 by 15-3/4 inch square footprint houses a round bowl, which affects the cutout geometry. Confirm the cutout dimensions and countertop thickness against the installation requirements before fabricating. This is a bath vanity sink intended for indoor residential or commercial bath applications. Pair it with a faucet in a finish that complements Gunmetal Grey: dark nickel, matte black, and oil-rubbed bronze are the natural pairings, though the brushed surface gives enough texture to work alongside brushed metals as well.
The bowl is round. The overall product footprint is 15-3/4 by 15-3/4 inches square, but the basin itself is circular.
Gunmetal Grey carries a darker, more tinted tone than the standard brushed stainless finish. It reads closer to a dark pewter or dark nickel in most lighting, rather than the cooler silver of traditional stainless.
No. This sink is not ADA compliant as specified. For accessible vanity applications, a different product is needed.
Faucet hole configuration is not specified in the product data. Confirm the faucet drilling requirements with the full installation documentation before ordering a faucet.
When the goal is a bathroom that feels designed rather than assembled, the Gunmetal Grey Cinox undermount sink gives the vanity a material anchor that holds its own alongside dark hardware, warm metals, and statement countertops.
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