18-Inch Oval Ceramic Undermount Vanity Basin with Overflow

Accurate cutout planning depends on separating the exterior footprint from the interior bowl opening. The overall exterior size is 18.3 in long, 15.4 in wide, and 7.7 in high (465 by 390 by 195 mm). The 7.7 in (195 mm) figure is the overall basin height, not the usable water depth inside. The interior bowl opening measures 16.5 in by 13.4 in (420 by 340 mm). The nominal 18 inch reference corresponds to an actual length of 18.3 in (465 mm), which is the figure countertop shops should use when templating. The exterior footprint and interior opening together give fabricators the data needed to cut a matching reveal.

SN005 is produced in ceramic with a glazed White finish and a smooth glazed surface. The single White color keeps appearance consistent across production runs, which matters for buyers who stock the model over time or specify it across many units. That consistency gives distributors and project teams a stable catalog item to reorder against.

As an undermount basin, SN005 is set below the countertop and supported and sealed against the underside of the deck. The faucet does not mount on the basin: there are no faucet holes drilled in the ceramic, so the faucet is installed on the countertop deck or the wall, depending on the vanity design. The drain outlet at the base of the bowl is 1.8 in (45 mm) in diameter, with a drain seat opening of 2.8 in (70 mm), sized for a standard bathroom lavatory pop-up drain. The basin includes a front overflow, so it should be paired with a pop-up drain that has an overflow channel rather than a free-flow drain without one. Confirming the drain and overflow pairing at the specification stage prevents installation rework on site.

The 18 in oval vanity sink format fits a broad range of B2B programs. Distributors and importers stock it as a core lavatory basin for the bath category. Private-label brand owners list it under their own catalogs. Multifamily developers and hospitality FF&E buyers specify it across unit counts and guest bathrooms where a repeatable oval undermount basin is needed. Showroom dealers present it at the counter for vanity projects, general contractors install it in remodels and new builds, and e-commerce resellers list it with full spec data. A single finish and a standard oval footprint keep specification and replacement consistent across these channels.

SANIKB supplies SN005 as a factory-direct OEM/ODM product for wholesale oval ceramic sink programs. Buyers building a private-label line can discuss neutral or custom-branded product and packaging, with minimums and program structure set per program. Spec sheets and CAD files can be provided on request to support submittals, fabrication, and online listings. Customization options and program terms are scoped at the RFQ stage so the quote reflects the destination, volume, and branding requirements of the program. To scope branding and program terms, Start a Private Label Program or Talk to Our OEM Team.

Ordering runs through a standard B2B quotation workflow. MOQ, lead time, pricing, packaging, and sample policy are confirmed at quotation, since these depend on order volume, destination, and program scope. To move forward, Request a Bulk Quote or Request OEM Pricing. You can also Request Samples to evaluate the finish and build before a bulk order, or Send Us Your Project Specs for a tailored quote.