Do it Water Saver Automatic Shower Flow Control is designed to cut water usage by 50% by limiting the flow of water through your showerhead. This chrome-plated device fits standard shower arms with its 1/2" F.I.P. x 1/2" M.I.P. connections, ensuring easy installation. It operates with a flow rate of 2.1 gallons per minute, with a maximum of 2.5 GPM, helping you save water without sacrificing performance. The sleek chrome finish adds a polished look to your bathroom while promoting eco-friendly water use. Model Number: 413877