Effective against biological agents and these Chemical Warfare agents: GA, GB (Sarin), GD, VX, Mustard, and Lewisite. NIOSH/MSHA approved (TG-14G-0235) for protection against CN, CS, P100 particulate efficiency level and particulates. One piece polyurethane lens with wide field of vision is bonded to the durable Hycar (TM) rubber facepiece. Canister mounts on either side to allow weapon sighting from either shoulder. Adjustable, six-point head-harness for easy on/off. Nose cup eliminates fogging and speaking diaphragm allows communication.