Organic vapor or acid gas cartridge. Swept-back design for enhanced field of view and balance. Use with 3M Reusable Respirators. Suggested Applications: This organic vapor/acid gas cartridge can be used for a variety of applications, including: pharmaceutical, petrochemical, utilities, aluminum reduction, chemical manufacturing, laboratories, and pulp and paper. Swept-back design offers enhanced comfort and visibility. When properly used with an approved 3M respirator properly fitted, this respirator cartridge helps provide respiratory protection from certain organic vapors, chlorine, hydrogen chloride, sulfur dioxide, chlorine dioxide, hydrogen sulfide or hydrogen fluoride. For use in concentrations up to 10 times the Permissible Exposure Limit (PEL) with half face piece and full face piece respirators when qualitatively fit-tested, or up to 50 times PEL with full face piece respirators when quantitatively fit-tested. Not for use in environments that are immediately dangerous to life or health (IDLH). Review full user instructions for details on proper respirator use and NIOSH approvals. Product Characteristics: Cartridge or Filter Type: Cartridge, Gas & Vapor Protection Type: Organic Vapour/Acid Gas, Height: 3.4 Inch, Length: 4.2 Inch, NIOSH Cartridge or Filter Assigned Color Coding: Yellow, US Military Spec: No.