PM2.5 Face Mask Filter Insert (Adult) - Grey

Advanced Filtration Technology The filter element of this mask features 5 layers of protection, ensuring a safe breathing experience.Warm Tips Replacement filters are disposable and cannot be washed. It is recommended to replace them 1 to 2 times a week.Safe Breathing With 5 layers of protection, the mask provides a safe and secure breathing experience.Unique Ventilation Design The mask offers excellent permeability and can easily be doubled up for extra protection. It is suitable for preventing exposure to fog, haze, vehicle exhaust, passive smoking, and more.Reusable Material Made from active carbon, the filter is not washable. It is recommended to replace the filter once a week for optimal performance.