3M – 7100035844 – 3M Versaflo TR-6590N Multi-Gas/HE Cartridge 5/CS (1EA). 3M Versaflo TR-6590N Multi-Gas/HE Cartridge (00051131373662, 00051131373662, 00051131373662, 50051131373667). High efficiency particulate filter. Captures a broad range of certain gases and vapors, including mercury. Compatible with the 3M Versaflo TR600 PAPR system. First multigas PAPR cartridge with NIOSH approval for use against mercury. WARNING: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer.