General description The 2X AirLock Window Seal for Portable Air Conditioner is designed to keep warm air out and fresh air in, effectively maintaining a cool environment in your room. Made from durable nylon fabric, this sealing plate features a zipper and adhesive for easy installation and use. Technical specifications Length: 400 cm Material: Nylon Color: White Measurement allowed error: +/- 1-3 cm Installation Apply the hook adhesive to the inside of the window frame and the window itself. Place the window seal on the hook. Open the zipper on the window seal and insert your air conditioner hose. Close the zipper tightly around the hose. Usage Effectively prevents hot air from circulating in your room. Allows for easy closing of windows when going out. No need for disassembly after installation. Other information Suitable for commonly used window types, including windows and tilt-and-turn wings. Not suitable for rotating and tilting skylights. Package includes: 2 AirLock window