Houzer Quartztone 33" Granite Composite Drop-in Topmount 60/40 Double Bowl Kitchen SinkHouzer M 175 Quartztone Series Granite Composite topmount 60 40 Double Bowl Sink is meticulously crafted with a highly functional design to accommodate a wide range of culinary tasks with ease. Constructed from 80% fine quartz sand, the Quartztone granite material boasts exceptional durability, being three times harder than natural granite, while still maintaining a silky touch and requiring minimal maintenance. its non porous surface ensures