Big Horn 4" X 2-1/2" Y- Connector is designed to improve the efficiency of your dust collection system by allowing you to connect branch lines to multiple machines. This connector accepts 2-1/2-inch dust hoses, enhancing your setup's functionality and ensuring optimal airflow throughout your workspace. Its durable design supports better lateral airflow, making it an essential component for maintaining a clean and efficient work environment. Model Number: 11255