Product Name: Window Sealing for Mobile Air Conditioners, Air Conditioners, Tumble Dryers, Exhaust Air Dryers Function: Heat Insulation, Soundproof, Anti-Theft, Airproof, Insect-proof, Dust-proof Product Weight: 422g Batteries Necessary: No Size: 500cm Window Trademark: dayluck Transport Package: Export Carton Box Origin: China Product Description AirLock Window Seal for Portable Air Conditioner,400 CM Door Soft Cloth Sealing Baffle for Mobile Air-Conditioning Units1. Perimeter:400 cm,works with every mobile Air-Conditioning unit2. Easy and quick to install,no need for drilling holes,perfect for hanged windows3. Universal:Suitable for all portable air conditioners, dual-tube portable air conditioners as well4. Cool rooms quicker and more efficiently with the zip and velcro tape5. The window can normally be closed and no need to remove the gasketproduct comparison:Product certification: