Franke Maris Undermount Sink in Onyx

21.63-in. x 17.81-in. Undermount Fragranite Single Bowl Kitchen Sink in Onyx. Maris sinks are equipped with deep capacity bowls that can easily fit baking trays, pots, and pans to be washed with maximum ease. With our easy-to-use integrated ledge system, you’ll accomplish more with your sink while making the most of your surrounding counter space. The rear drain maximizes the usable surface of the bowl and creates extra cabinet space beneath the sink. Maris Fragranite sinks are scratch-resistant, fade-resistant, and impact resistant and will retain their new appearance for years.