Noah Plus stainless steel sinks are constructed out of 18 gauge, industrial grade 304 stainless steel providing the highest quality, durability and resistance to corrosion.. Noah Plus Bath stainless steel sinks all are equipped with center drain location and four diagonal groves for efficient draining. Noah Plus is offered in your choice of various finishes, from favorable Brushed Stainless Steel to dynamic electroplated finishes such as: Brushed Copper, Brass and Gunmetal.