1.ENVIRONMENTAL ADVANTAGE Enjoy an environmentally friendly and costeffective solution with this air conditioner window seal. Effectively blocking backflow reduces power consumption and reduces your bills. And with its easy installation, it is the perfect choice to reduce your carbon footprint while saving money. 2. and Windproof: Made of reliable polyester material, this air conditioner window seal is durable and can withstand all weather conditions. It prevents hot air from entering your room, and ensures that your air conditioner runs efficiently for a long time. 3.EFFORTLESS ADJUSTMENT With our window seal, you can get your air conditioner up and running in no time. Just place the hose, open the gasket, tighten the hose, install the gasket in the window frame and enjoy the cool breeze without any hassle. 4.Allseason window seal: ensure your ideal indoor climate with our allseason air conditioning window seal. No removal required, simply open or close your window in any weather. And reinstall next summer? One piece of cake.