Valuair Half-mask (Medium)


  • Respiratory protection, The Half mask VALUAIR medium is designed to work when external concentration allows it.
  • The type of protection depends on the cartridges connected, gases , particules or combined.
  • The threshold is depending on a theoretical calculation , based on the facial leakage and the efficiency of the adapted canister .
  • The APF is evaluated from 12 to 50 .
  • It allow the use of the Half mask from an external concentration between 12 time to 50 time the Occupational Exposure Limit .
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