3M Half Face Gas Mask is an efficient protective equipment produced by 3M Company, used to protect users from harmful gases, vapors, particulate matter, and other pollutants. Adopting a half face mask design, covering the mouth and nose, providing good sealing and comfort. The face mask is made of soft silicone material, which can adapt to different facial shapes and ensure effective sealing. Equipped with replaceable filter cartridges or filter cotton, different types of filter cartridges or filter cotton can be selected according to the usage environment and needs to filter pollutants in the air. The filter box can effectively remove harmful gases and vapors, while the filter cotton can filter out particulate matter.