2.5 inch flexible duct hose Y adapter with a flap to shut off airflow. This adapter is great for adding defrost to a system, or routing air to various areas in a vehicle. The adapter is black abs plastic. The adapter can be used with our duct hose adapters to reduce or enlarge the duct hose size.
The adapter measures (approximately) 4″ tall & wide x 2-3/4″ thick