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ONORM EN 12941:2024
Respiratory protective devices - Powered filtering devices incorporating a loose fitting respiratory interface - Requirements, testing, marking
This document specifies minimum requirements for respiratory protective devices (ASG) with a forced air filter device and a breathing connection without a seal. It is not applicable to devices intended for use in conditions of possible oxygen deficiency. Escape devices (ASG for escape purposes) and filters for use against CO are not covered by this document. Laboratory tests and practical performance tests are included to determine compliance with requirements.
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Austrian Standards Institute [on]