BS EN 404:2005 Respiratory protective devices for self-rescue - Filter self-rescuer from carbon monoxide with mouthpiece assembly

This British Standard is the official English language version of EN 404:2005. It supersedes BS EN 404:1993 which is withdrawn. This British Standard was published under the authority of the Standards Policy and Strategy Committee on 2 May 2005. — 46 p. — ISBN: 0 580 45963 2.
This document refers to filtering devices designed for protection against carbon monoxide (filter self-rescuer). It specifies minimum requirements for filter self-rescuers. This document does not apply to apparatus for work and rescue or to diving apparatus. Laboratory and practical performance tests are included for the assessment of compliance with the requirements.