FOR USE WITH TWO OR THREE SHOWERING DEVICES: M-CORE Transfer Valves can control 2 or 3 showering devices, a simple transfer cartridge modification changes the valve’s flow from two outlets to three outlets IMPORTANT: When using 2 showering devices, the valve has 2 independent and 1 shared functions; When using 3 showering devices, the valve has 3 independent and 3 shared functions IMPORTANT: When using 3 Showering Devices, transfer valve cartridge must be modified. Simple cartridge modification changes the valves flow from two outlets to three outlets. See Transfer Valve Instructions for additional information. IMPORTANT: When using 2 Showering Devices, designated outlet 3 must be CAPPED. Caps sold separately. VERSATILE DESIGN: M-CORE’S adaptability allows the valves to be roughed in with the option of functionality and style changes that don\'t require removing or changing the valve › See more product details