What should i choose for "testing procedure" characteristics? (N95)

Sherleen

Registered
Our company is manufacturing N95 Particulate Respirator.
We need to do the breathing resistance test as inhalation, exhalation and NaCl.
When we found out the product testing result is not pass (rejected), we will stop the production and find out the reasons, then we will continue and resubmit the samples for re-inspection.
What should we choose for the inhalation, exhalation and NaCl test procedure characteristics?

Thank you.
 
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