Less is more. This single-handle On/Off Volume Control Trim Kit is part of our modern Serin® Collection. When installed with an on/off volume control valve (sold separately), it allows you to control the volume of water to the shower system. Requires a separate thermostatic mixing valve and diverter.Controls On/Off & Volume of Spray OutletFor use with R701 or R711 Rough On/Off Volume Control ValveMetal Lever HandleLESS ValveADA Compliant