More Comfortable:

Cooling air instead of humid breath, No mask to dig into the face, read lips and facial gestures

More Protective:

HEPA 99.97% versus 95% = 3 of 10,000 particles compared to 500 of 10,000 when using disposable N95s

Less Sourcing Hassle:

Requires one PAPR filter per year instead of hundreds of N95s; Eliminating waste & sourcing resources

Cost Effective:

More than 30% less expensive than daily consumption of N95s