Noah Plus collection 10 gauge frame, 18 gauge heavy-duty industrial grade 304 series stainless steel rectangular above mount bath basin set with 10 gauge frame, noise reduction dampening pads, and full undercoating for soundproofing and protection against condensation. Noah Plus stainless steel bath basins have near-zero radius corners for easy cleanup and allowing for minimal buildup. They are all equipped with a center drain location and four diagonal groves for efficient draining.