Specification: Features: 1. The air-conditioning window sealing kit panel is adjustable from 55 to 110 cm and helps maintain a cool room temperature by securely sealing the hose between the window frame and the window, preventing hot air from entering. 2. Includes a 15 cm diameter exhaust hose connector made from high-quality materials, lightweight and durable. 3. Compatible with various portable air conditioners and exhaust hoses. Designed to connect the exhaust hose to the window mounting panel. Suitable for use with Shinco, LG, , Haier, and Chigo portable air conditioners. 4. Easy to install without drilling holes in walls. No additional window or door kits, adapters, or tools required. 5. Can be used with left or right-opening windows or doors. Equipped with a butterfly clasp for secure and easy fastening of the sealing panel. 6. Fits multiple models of portable air conditioners. 7. Allows windows and doors to remain fully functional and can be opened or closed as normal. Notice: Actual color may vary slightly from the image due to differences in monitor displays and lighting conditions. Please allow 1–3 cm variation due to manual measurement. Window Adapter: 1. Connect the exhaust hose to the window kit panel. 2. Compatible with all portable air conditioners with a 15 cm outlet diameter. 3. Durable design offers long service life and cost efficiency. 2pcs Adjustable Window Kit Boards: 1. Extendable and adjustable in length. 2. Maximum adjustable length: approximately 55–110 cm. 3. Single panel size: 100 x 550 mm (3.94 x 21.65 inches). 4. Mounting hole size: 75 x 200 mm (2.95 x 7.87 inches). Package List: Package A: 1 x 15 cm window adapter Package B: 2 x window kit panels (55–110 cm), 2 x butterfly clasps Package C: 1 x 15 cm window adapter, 2 x window kit panels (55–110 cm), 2 x butterfly clasps