Historical
DIN EN 149:2001
Respiratory protective devices - Filtering half masks to protect against particles - Requirements, testing, marking; English version of DIN EN 149:2001 (Foreign Standard)
This document specifies minimum requirements for filtering half masks as respiratory protective devices against particles except for escape purposes. Laboratory and practical performance tests are included for the assessment of compliance with the requirements.
Content Provider
Deutsches Institut für Normung [din]