3Ì 6055 A2 organic vapor cartridge. Filters to protect against organic vapors with the boiling point > 65°C. They can be used with 3M 6000 or 7500 series half masks in concentrations up to 10 TLV or 5000 ppm and with 3M 6000 full face respirators in concentrations up to 200 TLV or 5000 ppm. Bayonet connection. Pack of 2 filters.