Moen Adler Chrome 3-handle Single Function Round Bathtub and Shower Faucet Valve Included in the Shower Faucets department at Lowes.com
Pura Bathrooms Arco Twin Outlet Three Handle Concealed Thermostatic Valve 6003 - Baker and Soars
Triple Function Thermostatic Valve Trim
3-Way Thermostatic Shower Diverter Mixer Valve Shower Faucet Valve Matte Black, Can Use All Function At a Time
3 Way Shower Diverter Valve, 3 Outlets Multi Function Thermostatic Shower Brass Valve Can Run Simultaneously, Brushed Nickel - Amazon.com
QISHENG 3 Way Solid Brass Shower Diverter Valve Concealed Thermostatic Mixer Valve with Trim for Bathroom Shower System, Can Simultaneous Operation, Flows Can Be Controlled, Brushed Nickel - Amazon.com