The Xiaomi Dust Mite Vacuum Cleaner Pro Filter offers highly efficient multi-layer filtration, ensuring clean and fresh air in your home. Integrated into the vacuum's cyclone airflow system, it effectively removes fine dust particles and achieves a filter efficiency of 99 percent. Its innovative foldable design significantly increases the filter surface area, enhancing dust removal while reducing air resistance. The filter is washable, reusable, and environmentally friendly, providing a cost-effective solution. It is easy to clean and maintain and should be replaced every 2-3 months to ensure optimal performance and contribute to a healthier indoor climate.