The Xiaomi dust mite vacuum filter offers precise and efficient filtration, capturing fine dust particles as small as 0.3 micrometers with an efficiency of 99 percent, ensuring a cleaner and healthier environment. Its innovative mountain-fold design increases the filter surface area for improved performance while simultaneously reducing air resistance. The filter is reusable, providing an eco-friendly and cost-effective solution, as it can be easily cleaned and reinserted after drying. With a recommended weekly cleaning and replacement every 2 to 3 months, it ensures optimal suction power and long-lasting air quality in your home.