Keep Hot Air Out with 3M (118") Window Seal: When you use this portable air conditioner window kit, you can easily remove the portable air conditioner cylinder from the window. This will not block the light from the window or require any construction cuts to the window. It will help you easily maintain your chosen temperature no matter how hot it is outside! Keeps you cool all summer long! Energy and Cost Saving: The portable window air conditioner seal kit prevents hot air from entering your room by creating a "sealed environment" that keeps your room cooler for a longer time and significantly reduces the energy consumption of your air conditioner, saving you electricity and solving the worries caused by central air conditioning. Moreover, this unit can be washed and put away for storage and used again next year! High-Quality Material and Reusable: The crank window air conditioner kit is made of the latest thickened air conditioner material with 4 zipper adjustments, the exhaust port can be fixed very tightly and seals the windows, preventing annoying external irritants and rainwater from entering. Its design makes it easy to disassemble even if it is dirty. It can be removed by gently pulling for washing/machine washing. .Easy to Install - No Need to Drill Holes: This portable ac case window seal does not need window kits, adapters for your hose, or additional tools for installation because there is no need to drill holes in the window, just paste it, then stick the product, tie it with a permanent tie, and never worry about it falling off the exhaust pipe. Compatible with most types of windows and portable air conditioners, removable and reusable, waterproof and rainproof .Fits Most Windows: Suitable for bottom-hinged windows or skylights, fits most windows without any problem. Not Suitable for Sliding Windows, Vertical Push-Pull Windows, Stereo Swivel Windows. Attention: Any window whose entire circumference is longer than 300cm is not suitable. Please measure the length of your window before purchasing. Suitable for dolonghi, lg, midea, shinco, ac window seal double hose universal ac window kit.