How Does A Negative Pressure Respirator Brings Fresh Air To You?
How Does A Negative Pressure Respirator Brings Fresh Air To You? Negative-Pressure Airflow Negative-pressure respirators draw air into the facepiece via the negative pressure created by user inhalation. … Air-Purifying Respirators Air-purifying respirators (APRs), on the other hand, do not have a separate air source. What does a negative pressure respirator do? A negative pressure