Product information :, Suitable for every air conditioning device, also suitable for roof windows, the window can be easily opened and closed, with zipper, matching all hose sizes, enables a lower room temperature, no penetration of exhaust air and moisture, night -free without mosquitos, power -saving and water -repellent, Window size: fits with all common windows, the entire circulation of which does not exceed 4 meters, the applicable window size results from: 1x window height on the left + 1x window height on the right + 1x window width