1.PERFORMANCE This discharge hose adapter kit is a practical accessory of the air conditioner, which is made of high quality ABS materials. It is solid and strong and ensures longterm use. It is also lightweight and durable and makes it easy to install and remove. 2.Improved seal design: Keep your room cool with this discharge hose adapter kit. Seal your window effectively to prevent heat from escaping, resulting in improved cooling efficiency. 3.Adjustable length: Our exhaust hose adapter kit features an expandable length of up to 110 cm, giving you the dom to stretch effortlessly and adjust to your preferred length. The adjustable design makes it perfect for use in any setting. 4.QUICK ASSEMBLY Our exhaust hose adapter kit allows for quick setup in minutes. First, attach the window seal to the hook tape and stick the sticky hook tape to the inside of the window frame. Finally, tighten the zipper tightly for a secure seal that prevents hot air from entering.