Delta T13H903-20 T13H Series Chrome Commercial Shower Trim. Delta's Line of Commercial Products are an industry leader in the Bathroom Faucets, Shower Fixtures and Bathroom Accessories. The large line of Commercial Grade Shower/Bath Trims are designed to withstand the every day wear and tear, and last for years to come. These products are ideal for hospitals, schools, and other high traffic and high use applications. This Delta T13H903-20 T13H Series Chrome Commercial Shower Trim Only is designed for Dual Shower Units. This Trim comes with a standard 24" Stainless Steel Bar with ADA Slide Hand Shower and Shower Diverter Valve with Backflow protection provided by two integral check valves in Hand Shower. Requires separate order of R10700-UNWS Rough-in.