3Ì 6054 K1 ammonia vapor cartridge. Filters to protect against ammonia vapor and its derivatives. They can be used with 3M 6000 or 7500 series half masks in concentrations up to 10 TLV or 1000 ppm and with 3M 6000 full face respirators in concentrations up to 200 TLV or 1000 ppm. Bayonet connection. Pack of 2 filters.