The Xiaomi Robot Vacuum E5 Mop Filter is designed for effective and long-lasting cleaning, featuring high-quality, multi-layer filtration that captures dust and particles while ensuring clean, fresh air in your home. The filter comes in a pack of two and is washable and reusable, making it a sustainable and cost-effective option. It is recommended to replace it every 3 to 6 months to ensure optimal performance. Its ultra-fine filtration prevents secondary pollution, and the two-layer design ensures both dirt removal and improved air quality. This durable filter is easy to clean and provides consistently high cleaning performance and a healthy living environment.