Filter Tests

All StyleSEAL filters are independently tested at Nelson Labs, USA in compliance with US-FDA regulations 21 CFR Parts 210, 211 and 280 at a particle size down to 0.1 microns.

This is your guarantee that StyleSEAL Air Masks provide you the protection you need.

The filters go through a variety of tests including:

  • Particle Filtration Efficiency (PFE)
  • Bacterial Filtration Efficiency (BFE)
  • Viral Filtration Efficiency (VFE)

All results of these tests can be found below.

Particle Filtration Efficiency (PFE)

80S 80+ 90S
90+ 95S 99S
               

Bacterial & Viral Filtration Efficiency (BFE, VFE)

80S 90S
95S 99S
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