Kohler K-T73117-4-CP T73117-4-CP Composed Trim with Diverter and Lever Handle for Rite-Temp Pressure Balancing, Valve Not Included, Polished Chrome - Amazon.com
KOHLER K-77247IN-9-RGD BEITOU HI-FLOW THERMOSTATIC TRIM 4-WAY IN ROSE GOLD - Global Tiles and Sanitary
KOHLER 728-K-NA MasterShower 3/4" 2- or 3-Way Transfer Valve, Shower Valve, Single-Handle Operation, One 3/4" NPT Inlett Connection and three 1/2" NPT Outlet Conncections - Faucet Valves - Amazon.com
BASIC II 1/2" Mini Thermostatic Valve with Volume Control or Diverter - Phylrich
Beitou 4 Way/6 Way Thermostatic Valve and Trim - Installation Video - YouTube