Champlain 30 Inch Undermount Farmhouse Kitchen Sink The Champlain 30 Inch Farmhouse Kitchen Sink is built using Grade A Vitreous China and is coated with porcelain scratch and stain-resistant finish. This High Quality makes the farm sinks for kitchens highly durable, long-lasting, and modern. Note Each sink goes through a number of processes, including moulding, heating, and glazing, to create a masterpiece that is built to last. Since the moulding process is used to give the farmhouse sink its shape, therefore there might slight differences in the dimensions. We suggest that you get the sink first and then cut out the cabinet space based on its measurements. Buy Yours Today!