Perrin & Rowe Holborn 1/2" Therm & Pressure Balance Trim With 2 Functions (No Share) U.THB44W1LSPerrin & Rowe Holborn 1 2" Therm & Pressure Balance Trim With 2 Functions (No Share) U. THB44W1LS Thermostatic and pressure balance shower trim designed for two independent, non shared shower functions. Features Combines thermostatic and pressure balance technologies Set it and forget it temperature memory Supports 2 independent functions with no shared operation Runs either the showerhead or handshower independently CEC compliant Integrated control