Description: Universal Fit: The Portable Air Conditioning Window designed to fit most window, making it a versatile addition to your home.Easy Installation:With the sliding design and easy to follow instructions, installation of this Air Conditioning Baffle .Material:Made with quality PVC materials, this universal vent will last for years and withstand the wear and tear of regular use.Maximize Air Flow: The sliding design of the portable air conditioning window allows you to easily adjust the window opening to maximize air flow and the performance of your air conditioning unit.Improve Home Comfort: With the window vent , you can finally enjoy a comfortable and cool home environment. Specification: Material: PVC Size Chart: Perforated outer plate: Length 55cm/21.65inch; Width 10cm/3.94inch; Aperture7.5cmx20cm/2.95inchx7.87inchInner plate: Length 55cm/21.65inch; Width 9.5cm/3.74inchOuter plate without hole: Length 55cm/21.65inch; Width 10cm/3.94inch Package Includes: 2 Baffles1 Screw Note: Please allow slightly errors 1-2cm differences due to manual measurement.