Acid gas cartridge. Swept-back design for enhanced field of view and balance. Use with 3M Reusable Respirators. Suggested Applications: This acid gas cartridge/P100 filter can be used for a variety of applications, including chemical manufacturing, glass etching, pulp and paper, and laboratories. Swept-back design offers enhanced comfort and visibility. When properly fitted, helps provide respiratory protection from chlorine, hydrogen chloride, sulfur dioxide, or chlorine dioxide, or hydrogen sulfide as well as non-oil and oil particulates at concentrations up to 10 times the Permissible Exposure Limit (PEL) with half face pieces or 50 times PEL with full face pieces. Full face pieces must be quantitatively fit tested to claim assigned protection factor above 10 in negative pressure mode. Not for use in environments that are immediately dangerous to life or health (IDLH). Refer to specific provincial regulation for appropriate assigned protection factors for full face respirators. Product Characteristics: Cartridge or Filter Type: Cartridge, Gas & Vapor Protection Type: Acid Gas, Height: 3.4 Inch, Length: 4.2 Inch, NIOSH Cartridge or Filter Assigned Color Coding: White, US Military Spec: No.