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)