RIA Line is a unique combination of functionality, materials, and design. Made entirely in Stainless Steel 304. It is the ideal shower drain for any type of bathroom and installation situation, whether it’s a renovation project or new construction. Every bathroom deserves the best Drain. All Bay Series drains have a frame that facilitates cleaning and prevents damage to the grout when the grate is removed, plus a strainer, and anti-odor part to seal out odors, and prevents insects and small rodents from entering your shower by the drain. Bay is quality, design, and innovation.