PM2.5 Face Mask Filter Insert 5 Layer Air Pollution Protection

Advanced Filtration Technology: The filter element of this mask has 5 layers of protection, providing a safe and comfortable breathing experience. Warm Tips: Replacement filters are disposable and cannot be washed; it is recommended to replace them 12 times a week. Unique Ventilation Design: Excellent permeability allows for doubled protection and is suitable for preventing fog, haze, vehicle exhaust, and passive smoke. Reusable Material: Made with an active carbon filter that cannot be cleaned, so weekly replacement is advised. This mask is ideal for protection against air pollution. | KDMD Women's PM2.5 Face Mask Filter Insert - 5-Layer Air Pollution Protection in Grey