This AC window seal offers a great solution if you don't want to drill a hole for your air conditioners exhaust hose but still want to get rid of the hot air via your window. And what's more, the seal helps to prevent pesky bugs and insects from getting indoors. Suitable for all commonly-used window types and sizes with a maximum perimeter of 400cm; turn/tilt, left or right hinged. The seal is easy to install and no tools are needed. Just stick the self-adhesive hook tape to the window frame and the window itself, connect the seal to it and hang the exhaust hose in between the zips.