General Description: The portable air conditioner window kit is designed to provide a practical and efficient solution for installing portable air conditioners. Made from durable PVC, this lightweight kit is easy to install and remove, and is suitable for various types of sliding windows. It helps maintain a comfortable temperature in your space while optimizing energy efficiency. Technical Specifications: Material: Durable PVC; Adjustable Length: 43 cm to 140 cm; Outer Plate Dimensions: 43 cm x 10 cm; Inner Plate Size: 43 cm x 15.5 cm; Compatibility: 13 cm (5 inch) and 15 cm (5.9 inch) exhaust hoses. Installation: Snap each plate together. Slide the plates to the desired length to fit your window. Lock the screw to complete the installation. Usage: Install the kit on any sliding window, vertically or horizontally. Use 2, 3, or 4 plates depending on the size of your window. Tighten the sealing gasket for a good sealing effect, thereby keeping your room cool during the summer.