Blanco BlancoDiamond Super Single Bowl in Cafe Brown # BL440192. For more than 80 years, Blanco has been a world leader in quality, innovative design and unsurpassed attention to detail. Blanco has the most extensive line of premium quality kitchen sinks offered in North America, continuing to lead the evolution of the kitchen sink area with functional concepts, striking good looks, and innovative solutions, sure to personalize the most frequently used area of the kitchen.