Valuair Half-mask (Medium)

Respiratory

• 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 .