All StyleSEAL filters are independently tested at Nelson Labs, Salt Lake City, UT, USA in compliance with US-FDA regulations 21 CFR Parts 210, 211 and 280 at a particle size of 0.3 microns.
This is your guarantee that StyleSEAL Air Masks provide you the protection you need.
The filters are tested for a variety of tests including
- Particle Filtration Efficiency (BFE)
- Bacterial Filtration Efficiency (BFE)
- Differential Pressure (DP – Breathability)
All results of these tests can be found below.
Particle Filtration Efficiency (PFE)
Bacterial Filtration Efficiency (BFE)
StyleSEAL – 12% Spandex/88% Polyester
Umbra / Penumbra – 20% Spandex/80% Polyester (Prints and White)
16% Spandex/80% Polyester (Orange)
All Models – Tyvek (Flashspun high-density polyethylene fibers. Tyvek is a registered trademark of DuPont.
Ear Loops – 12% Spandex/88% Polyester
Inner Layer – Spunbond polypropylene
Nosepiece – Coated dual aluminum wire
Exhalation Valve – Base and cover are polypropylene, valve membrane is silicone.