Total inward leakage test being performed on the 3M^™ model 9210 N95 FFR.

The Sampling probe for the TSI Portacount 8038 is shown to be connected to the respirator by use of a sampling probe supplied by TSI. The operator is shown to be wearing a loose-fitted PAPR and nitrile gloves as a health and safety precaution from working in close proximity to the test volunteers during the COVID-19 pandemic.