[Universal Window Exhaust Adapter Tube Connector] - Our window vent kit plate seal is suitable for all portable air conditioners and dryers. It is also compatible with most maximum-length windows. Whether you have casement or tilt-and-turn windows, you can easily install your exhaust bracket. [Improve Cooling Performance] - The portable window kit seals around your window and then zips around your exhaust hose, directing your airflow outside. Thanks to this great design, your room can be cooled in less time, and the unit delivers excellent cooling performance. [Quick and Easy Installation] - This window duct adapter is used to connect the exhaust hose and the window kit plate. It is very easy to install without an engineer, saving you time and money. [Energy Efficient and Reliable] - The window seal vents hot air from your room through your portable air conditioner's hose by sealing the hose between the window frame and the window sash. This increases the equipment's efficiency.