3M Low-Maintenance Multi Gas/Vapor Cartridge, For 6000 and 7000 Series Air Purifying Respirator (Pack of 2) Multi gas and vapor cartridge 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) Use in a variety of applications, including petrochemical and chemical processing, utilities, pharmaceuticals, mining and primary metals