The T&S Brass 001644-45 is a flow control tower for faucets. It reduces the volume of water consumed by the users, helping them to save. It has a purple dot indicating a 1.4-GPM flow rate. This T&S Brass 001644-45 F-15 Flow Control Tower is 7/16 inch high with a 3/8-inch outer diameter. Its inner diameter is 0.109 inch. It is easy to install and it is very useful in keeping your faucets in excellent working condition. It simply replaces the ones that came with your purchased faucet. The T&S Brass 001644-45 F-15 Flow Control Tower Flow Control Tower has a limited one-year warranty. For more details, you can refer to the specification sheet. T&S Brass provides high quality solutions for the food service, plumbing and institutional markets with exceptional customer service.