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About This Item

 

Full Description

Provides performance requirements, test methods and marking requirements for valved filtering half masks incorporating either gas or combined gas and particle filters.
 

Document History

  1. BS EN 405:2001+A1:2009


    Respiratory protective devices. Valved filtering half masks to protect against gases or gases and particles. Requirements, testing, marking

    • Most Recent
  2. BS EN 405:2002


    Respiratory protective devices. Valved filtering half masks to protect against gases or gases and particles. Requirements, testing, marking

    • Historical Version
  3. BS EN 405:1993

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    Respiratory protective devices. Valved filtering half masks to protect against gases or gases and particles

    • Historical Version