The selected finish applies to the sink. Faucets and other items shown in installation views are not included.

ROK OS2078U1B 20-7/8-inch Bone Undermount Bathroom Sink. Porcelain construction.

In Stock

Will this fit my cabinet?

Confirm minimum cabinet width and clearances with your installer. Allow room for supports and plumbing. Use the actual sink and model-specific template before cutting; exterior dimensions are not cutout dimensions.

Overall and inside-bowl dimensions

Nominal dimensions in inches unless stated otherwise
Exterior width × front to back 20-7/8 × 14-3/4
Overall height 8-1/8
Inside bowl width × front to back Confirm with ROK
Usable bowl depth Confirm with ROK
Number of bowls 1
Faucet holes 0

Includes overflow. Dimensions follow the detailed product specifications; inside bowl measurements must be confirmed with ROK.

Installation

Undermount installation. Follow current model-specific instructions and use compatible sealant, supports and drain connections.

Included in the box

  • ROK OS2078U1B sink

Installation supplies — sold separately

Connecting plumbing, trap, sealant and additional cabinet support materials are sold separately. Compatible drain fittings are sold separately; provide a fitting for each bowl and match the sink material, thickness and overflow configuration. Confirm compatible mounting hardware and provide any hardware required by the chosen installation.

Optional accessories — sold separately

Additional or replacement grids and drain accessories are optional; confirm compatibility with model OS2078U1B.

Faucets and styling items shown in photographs are not included unless expressly listed above.

Specifications, installation and warranty

Obtain current model-specific installation instructions and warranty terms from ROK before fabrication.

California Proposition 65

⚠ WARNING: Cancer and Reproductive Harm — www.P65Warnings.ca.gov