1.※SOLID AND DURABLE Made of high quality ABS materials, this exhaust hose adapter kit is solid and strong for long time use. It is a practical air conditioning accessory that is both lightweight and durable, ensuring easy installation and reliable performance. 2.※Sealing Solution This exhaust hose adapter kit helps you improve cooling performance by effectively cooling the room and preventing heat dissipation. It also creates a tight seal around the window for longlasting cooling. 3.※ADJUSTABLE LENGTH The exhaust hose adapter kit has an adjustable length that can be extended up to 110cm, allowing you to stretch it easily and adjust it to your desired length. The adjustable design makes it suitable for use in any environment. 4.※HASSLE FREE INSTALLATION With this exhaust hose adapter kit, you can attach the window seal to the hook tape, stick the sticky hook tape to the inside of the window frame, and finish the installation in minutes. Then take out the zipper and tighten it tightly to seal the window and prevent hot air from entering.