3M Organic Vapor Cartridge/Filter 60921, P100 Respiratory Protection (Pack of 2) Combined Organic vapor cartridge with P100 particulate filter Swept-back design for enhanced field of view and balance Use with 3M Reusable Respirators Not for use in environments that are immediately dangerous to life or health (IDLH) Full facepieces must be quantitatively fit tested to claim assigned protection factor above 10 in negative pressure mode Combined Organic vapor cartridge with P100 particulate filter Swept-back design for enhanced field of view and balance Use with 3M Reusable Respirators Use with 3M Half and Full Face pieces 6000, 7000 and FF-400 Series with bayonet filter holders Not for use in environments that are immediately dangerous to life or health