【Universal Fit】: The air duct connector is round at 1 end and square at the other. Works with all types of portable portable air conditioners, air locks/hot air plug, and is compatible with most windows.
Exhaust Duct Pipe Adapter Exhaust Duct Interface Square to
Exhaust Duct Pipe Adapter Exhaust Hose Connector for Air Conditioning Exhaust
Exhaust Duct Pipe Adapter for Portable Air Conditioners Duct Interface
Exhaust Duct Pipe Adapter Exhaust Hose Connector Coupler Universal Replacement
Exhaust Duct Pipe Adapter 5.9in Square to Round Exhaust Hose Easy to Install PVC
Exhaust Duct Pipe Adapter for Air Conditioning Exhaust Port Universal 5.9in
