Respiratory protective devices - SX gas filters and combined filters against specific named compounds - Requirements, testing, marking

This European Standard refers to gas filters and combined filters against specific named compounds for unassisted respiratory protective devices, except escape apparatus and filtering facepieces. It specifies minimum requirements for these filters for use as part of respiratory protective devices. Filters for use against nitrogen oxides, mercury and carbon monoxide are excluded from this standard. Laboratory and practical performance tests are included for the assessment of compliance with the requirements.