【Compatibility】: This exhaust hose kit is designed to fit a wide range of portable air conditioners, featuring a universal adapter that accommodates both 13cm and 15cm connections, ensuring seamless integration with your existing unit 【Material】: Made from pp , this Vent Kit offers durability and resistance to wear and tear, providing long time performance even in demanding environments 【Adjustable Window Fit】: The interlocking panel design allows for easy adjustment to fit window sizes ranging from 43cm to 140cm (17-55 inches), ensuring a snug and secure installation without any wobbling 【Easy Installation】: With its straightforward setup process, this Window Kit includes all necessary components 【Good sealing】: The sealing plate of the air has a good sealing effect, which can effectively prevent the outside air from entering, and can be retracted freely, suitable for home or office Size Chart: Panels: 43x16cm/16.93inchx6.30inch? and 43x15.5cm/16.93inchx6.10inch Adapter : 13 or 15cm/5.12inch or?5.91inch Ventilation hose?diameter : 15cm/5.91inch, extended length : 2m/78.74inch Package Includes: 3 panels, 1 adapter, 4 screw caps, double sided tape, 1 hose Note: Please allow slightly errors due to manual measurement and different monitors.