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.PERFECT DURABILITY Made of high quality waterproof polyester material, our air conditioner window seal ensures longlasting use and windproof protection from weather conditions. 3.EASY INSTALLATION No drilling or other tools required. Simply place the air conditioning hose in the window frame, open the zip, tighten the zip around the hose and simply attach the window seal to the window. 4.EASY APPLICATIONS Achieve your ideal indoor climate all year round with our air conditioner window seal. No need to remove it in cooler weather just open or close the window. Come next summer, reinstallation is a breeze.