Product DescriptionThe 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 From the ManufacturerDanco is one of the largest plumbing repair replacement and remodel suppliers in the home improvement industry We are largely focused on empowering Do It Yourself consumers with affordable plumbing products and solutions which create new and refreshing d cors for bathrooms and kitchens This product's durable brass and plastic construction provides strength and reliability. This fits a standard 1/2-inch IPS connection so just simply attach the valve between the shower arm and head to install. This easy-to-use product is designed to be used while using the shower to control the water flow, just simply turn the nozzle to reduce or increase water flow. The trickle feature allows you to minimize water consumption saving both energy and money, just look for the trickle of water to remind yourself to shut the water off. The product is finished in a modern and sleek chrome to help match most exisitng features.