Specification: Features: 1. The air-conditioning window sealing kit panel with adjustable length of 55-110cm helps keep the room cool by securing the hose between the window frame and the window, preventing hot air from entering the house. 2. 15cm diameter exhaust hose connector, made of high-quality materials, lightweight and durable. 3. Suitable for various portable air conditioners and exhaust hoses. Can be connected to the exhaust hose and window fixing plate. Compatible with Shinco, LG, Samsung, Haier, Chigo air conditioners. 4. Easy to install, no drilling required, no need for window or door kits, adapters for hoses, or additional tools. 5. Suitable for left or right windows or doors. Equipped with butterfly clasp for easy fixing of the sealing plate kit. 6. Compatible with different models of portable air conditioners. 7. Windows or doors remain fully functional and can be opened and closed as usual. Notice: Actual color may be slightly different from the image due to monitor and lighting effects. Please allow 1-3cm deviation due to manual measurement. Window adapter: 1. Connect the exhaust hose to the window kit panel. 2. Suitable for all portable air conditioners with a 15cm outlet diameter. 3. Offers excellent durability and cost savings, providing a longer service life. 2pcs adjustable window kit board: 1. Can be stretched and adjusted freely in length. 2. Maximum adjustable length: approximately 55-110cm. 3. Single panel size: 100 x 550mm / 3.94 x 21.65 inches. 4. Mounting hole size: 75 x 200mm / 2.95 x 7.87 inches. Package List: Package A: 1x 15cm window adapter Package B: 2pcs window kit plate (55-110cm adjustable), 2pcs butterfly clasp Package C: 1x 15cm window adapter, 2pcs window kit plate (55-110cm adjustable), 2pcs butterfly clasp