Dust prevention for air conditioners: Effectively prevent dust accumulation on your hanging indoor unit, helping maintain performance and airflow while reducing dust in your living space. Easy installation process: Tool installation; the filter screen simply attaches to your indoor unit for quick maintenance and consistent air quality improvement. Long lasting construction: Made from sturdy plastic materials, this accessory provides reliable dust protection that withstands regular use and cleaning cycles for extended service life. Multiple style options: Available in four distinct designs to fit a range of air conditioner models and preferences for your home cooling system. Use scenarios: In dusty environments or near construction/traffic, the screen helps keep the indoor unit cleaner and supports better air quality. For allergyprone households, it reduces dust buildup on the unit and in the surrounding air with easy maintenance. During seasonal maintenance, the tool attachment allows quick installation or removal for cleaning and reapplication to preserve performance.