Shower/Tub Valve: Kohler K-TS45104-4-CP

SHOWER/TUB VALVE: KOHLER K-TS45104-4-CP
Alteo Single Handle Pressure Balanced Tub and Shower Valve Trim Less Valve with Metal Lever Handle, Single Function Shower
Pairs well with Bathroom Faucet: Kohler K-45100-4-CP (pictured in product description, sold separately).