Enhanced venting efficiency: Specifically designed to connect mobile air conditioner exhaust hoses with window installation panels, helping vent hot air outdoors efficiently and support steady cooling performance. Tool quick installation: This Air Conditioner Adjustable Window Sealing Plate installs and removes in seconds without any tools. Its adjustable system fits a variety of sliding window sizes, providing an immediate solution. Durable PVC construction: Made from lightweight yet sturdy PVC, this window seal plate is wear resistant and built for longterm use, maintaining a reliable seal year round. Comprehensive package: Includes two adjustable window sealing plates, each measuring 55 cm x 10 cm (21.65 in x 3.94 in), providing everything needed for effective installation and use. Compatibility and fit: Designed to work with mobile air conditioner exhaust hoses and window installation panels, with an adjustable design to suit multiple sliding window widths. Seal and performance: Helps minimize air leaks around the vent area, reducing drafts and improving cooling efficiency. Use scenarios: Apartment or home with a sliding window: install the sealing plates to vent a portable or mobile AC through the window while maintaining a tight seal. Temporary or rental spaces: quickly install or remove the plates without tools for convenient seasonal cooling needs. Varied window configurations: use the two plates to accommodate different window widths or adapt to different room layouts for effective venting.