The Milwaukee 45-80-0012 Valve Assembly helps control the passage of air or fluid within compatible Milwaukee power tools, supporting smooth and dependable operation. It works by regulating the flow through the tool's internal system, helping maintain consistent airflow or fluid movement during use. Made to replace a worn, damaged, or malfunctioning valve assembly, it helps restore pr... https://www.wholetoolbox.com/milwaukee-45-80-0012-valve-assembly