3M is a leading manufacturer of respiratory protection products, including masks that filter out airborne contaminants such as dust, fumes, and gases. Their masks are designed for various applications, including construction, industrial, healthcare, and wildland firefighting. 3M offers a range of mask types, including N95 and P100 respirators, which filter out at least 95% and 99.97% of airborne particles as small as 0.3 microns respectively. Their masks are widely used by professionals in various industries and are designed to provide effective protection against airborne pathogens and other hazards.