Description Overview Cotton mask made from cotton fabric and activated carbon to keep dust out. With replaceable filters and exhalation valves to keep the inside of the mask well ventilated. Filter with CE certificate and test report. Can support various colors. Specifications Special 5-layer activated carbon filter can effectively filter PM2.5 haze, dust and other small particles. Filter cloth cannot be cleaned; it is recommended to replace one every week. Special 3-layer activated carbon filter can effectively filter PM2.5 haze, dust and other small particles. Filter cloth cannot be cleaned; it is recommended to replace one every week. Sizes Refer to images for size details.
