The Danco Shower Volume Control Valve is designed to help you save water when your shower is in use. This diverter allows for the water supply volume to be turned down at the showerhead. Turn the knob to slow the flow of water while you lather up, shave, or wash your hair. When the water is turned down to a dribble, it does offer the benefit of keeping your water warm while the shower is in use. The valve fits between the shower’s head and arm. Durable brass and plastic construction provides strength and reliability Fits 1/2-in FIP X 14 TPI 1/2-in x MIP – 14 TPI Length 1-2/3-in Designed to be used during shower use to control the water flow Small trickle of water reminds user to shut water off at the shower handle when done Trickle feature allows you to minimize water consumption saving energy and money To install imply attach the valve between the shower arm and head Easy to use – simply turn the nozzle to reduce or increase the water flow Brushed nickel finish matches most existing fixtures Type: Straight valve Inlet Diameter: 1/2-in Inlet Size in Inches: 1/2-in Outlet Diameter: 1/2-in Inlet Thread Type: FIP Material: ABS Maximum Pressure: 0 PSI Outlet Thread Type: MIP Warranty: 1-year limited CA Residents: Prop 65 Warning(s): Yes Complies with Federal Lead Guidelines: No UNSPSC: 40141600