Features: Wide application: The window seal roof window is suitable for mobile air conditioners, dryers, exhaust dryers and dehumidifiers. Suitable for windows with a maximum of three sides of 400 cm. Suitable for frequently used tilting / oblique windows types. Environmental protection and energy saving: The window sealing air conditioner keeps the cool air in your room by effectively distributing the hot air from the window. Keep your room cool longer and save electricity costs. Practical: The climate window seal consists of high quality polyester and environmentally friendly waterproof material, can efficiently regulate the air exchange and keep dust and rain away. .