[Universal Window Exhaust Adapter Tube Connector] - Our window vent kit plate window seal is suitable for all portable air conditioners and tumble dryers. It is also compatible with most maximum length windows. Whether crank or casement windows, you can easily install your exhaust bracket. [Improve Cooling Performance] - The portable window kit seals around your window and then zips around your hose that directs your ventilation to the outside. With this great idea, your room can be cooled in less time and the unit creates excellent cooling performance for you. [Quick and Easy Installation] - This window duct adapter was 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 exhausts hot air from your room through the hose of your mobile air conditioning unit by locking the hose between the window frame and the window sash. Thus increasing the efficiency of