Organic Vapor Cartridge by 3M. Organic Vapor Cartridge; Item Respiratory Cartridge; Type Organic Vapor; Used On 6000, 6500, 7000, FF-400 Series Respirator; Overall Dimension 4.2 Inch Length x 3.4 Inch Height; Color Black. NIOSH Approved for Protection Against Certain Organic Vapors or Acid Gases; Swept Back Design Allows an Enhanced Field of View and Comfort; Bayonet Compatibility Allows Use; With Many 3M Half and Full Facepiece Designs; Wide Range of Applications Reduces Inventory Needs; Simple Installation and Usage Requirements Reduce Training Needs