Comparing disposable and elastomeric respirators for teaching

Comparing the CanadaMASQ blue CA-N95, with the GVS SPR644 (P100) and Dentec ComfortAir (P100)

CanadaStrong CA-N95 (Blue; disposable)

GVS SPR644 Elipse (M/L) with P100 filters and no exhalation valve

Dentec ComfortAir 400NXMDML White with P100 filters

Recorded with Camtasia on macOS with MIDI input @ 0.75

All products tested were purchased, not sponsored.