FeaturesSilicone Face Air Purifier Mask With 5 Filters Efficiently filter particulate matter from pollution sources. Strong sealing, one-way circulation of airflow reduces cross infection. The filter screen is easy to remove for easy replacement of the filter element.Efficiently filter particulate matter from pollution sources. Strong sealing, one-way circulation of airflow reduces cross infection. The filter screen is easy to remove for easy replacement of the filter elementComfortable food grade silicone, the same material as baby pacifiers.Environmentally friendly high temperature boil able disinfection mask for repeated use.Comfortable food grade silicone, the same material as baby pacifiers.Environmentally friendly high temperature boil able disinfection mask for repeated use.The main body of the front face of the mask receives air, which can effectively reduce the resistance of inhalation under the same ventilation volume.The main body of the front face of the mask receives air, which can effectively reduce the resistance of inhalation under the same ventilation volume.Cost-effective mask with high-temperature disinfection and repeated use, greatly reducing the overall cost of use for consumers.Cost-effective mask with high-temperature disinfection and repeated use, greatly reducing the overall cost of use for consumers.Wide applicability, occupational protection, daily protection.    Wide applicability, occupational protection, daily protection