Riobel Kubik 1/2" Therm & Pressure Balance Trim With Up to 3 Functions TUS93Riobel Kubik 1 2 Thermostatic & Pressure Balance Trim With Up to 3 Functions Combines thermostatic and pressure balance technologies for precise temperature and volume control. Features Plastic trim plate Thermostatic and pressure balance coaxial cartridge with check valves Set it and forget it temperature control maintains consistent comfort Volume control with diverter at 6. 3 GPM (24 L min) at 60 PSI 4 positions (OFF, 1, 1 and 2, 2) share 2