5.1 Inch / 5.9 Inch Portable Air Conditioner Hose Connector, AC Exhaust Hose …
Portable Air Conditioner Hose Connector/Portable AC Exhaust Hose Extension. Portable Air Conditioner Hose Connector/Portable AC Exhaust Hose Extension， With Clockwise And Counterclockwise Threads. This 2-in-1 accessory functions as both a hose connector (replacing old, leaking parts) and an extension adapter (connecting two hoses to reach vents).