April 8, 2004
3M offers National Institute of Safety and Health (NIOSH)-approved gas mask respirators for use in chemical, biological, radiological, and nuclear (CBRN) environments.
The full-facepiece FR-M40B consists of a silicone facepiece, eyepiece outserts, and a butyl rubber second skin. It features dual ocular lenses for enhanced vision and improved safety, and two integral speaking diaphragms.
The FR-15-CBRN canister also is available.