REDTRON 400CM Universal Window Seal for Portable Air Conditioner And Tumble Dryer, Works with Every Mobile Air Conditioning Unit, Hot Air Stop, Easy to Install(No Need for Drilling Holes) 041,Window Seal 400CM

Vent Hot Air Out of Your Room: REDTRON window seal vent hot air out of your room from the hose of your mobile AC unit by locking the hose between the window frame and the window casement. Our waterproof window sealing cloth worries you free of insects and mosquitoes, creating a cooler room in hot summer.
Enhance Cooling Performance: REDTRON portable A/C window kit seals around your window and then zip around your hose which directs your ventilation outside. Thanks to this great idea, your room can be cooled in less time and the A/C unit creates an excellent cooling performance for you.
Energy Saving and Money Saving Choice: REDTRON air conditioner hose seal helps to reduce energy consumption and to lower emission of carbon dioxide. A well-constructed exhaust ventilation system saves your electric bills under efficient cooling enjoyment with our window seal.
Quick and Easy Installation: No need for drilling holes. All just involves sticking the cloth inside the window frame and window itself. Then pinch air hose in the window seal by using zipper and lock the hose with cable tie to direct airflow outside.
Universal Fit: The 157Inch AC exhaust hose sealing cloth is suitable for all portable air conditioners and tumble dryers. It is also compatible with most Windows with a maximum perimeter of 400CM. No matter it is crank or casement windows, you can set up your exhaust mount easily.