Compatibility: Designed for air conditioners with 5.9 and 5.1 inch diameter exhaust hose, AC Window Seal Kit is compatible with most portable AC units. It's a convenient, fit for your cooling needs. Easy Installation: Installing our Portable Ac Window Vent Kit is a breeze. It fits perfectly for sliding or sliding doors. Simply embed the plates into the window track and supplement with the window seal strip to achieve a good sealing effect. Enjoy the convenience of a hassle-free installation process. Portable & Lightweight: Designed for convenience, this AC window vent kit is lightweight and portable. Easily move it between window or store it when not in use, making it an ideal for renters and homeowners alike. Adjustable Length: This versatile 4-in-1 AC window vent kit adjusts from 1.69 to 5.51 inches, fitting various window sizes. You can customize it to your window's dimensions using 2-panel, 3-panel, or 4-panel combinations as needed. Material: Made from PVC plastic, this window vent kit is built to last. It withstands the elements and continuous use, providing a long-term solution for your AC unit.