1. Perimeter:400 cm,works with every mobile Air-Conditioning unit.
2. Easy and quick to install,no need for drilling holes,perfect for hanged windows.
3. Universal:Suitable for all portable air conditioners, dual-tube portable air conditioners as well.
4. Cool rooms quicker and more efficiently with the zip and velcro tape.
5. The window can normally be closed and no need to remove the gasket.