The Xiaomi Smart Evaporative Humidifier Filter is designed to maintain optimal performance and hygiene in your humidifier. Featuring a dense fiber structure, it ensures efficient evaporation and rapid humidification. The filter is equipped with dual silver ion protection, achieving an antibacterial rate of over 99%, effectively eliminating harmful bacteria. Additionally, it offers Level 1 anti-mould protection, inhibiting bacterial growth for safer humidification. The filter is reusable and easy to clean, making it a cost-effective and environmentally friendly choice. Regular maintenance is recommended to ensure continued efficiency.