Sigma-Fit state of art mask features different three layers with three different technologies:
- Outer layer: made of liquid-repellent medical-grade fabric with international standards of 600 fibers / Inch.
- Inner Layer: is made of lint-free nylon & prima special fabric with anti smell properties.
- Middle Layer: is made with a multi-fiber fabric for extra protection and better air filtration efficiency.
- Permability low to 3 microns.
- Treated with nanotechnology to repel liquids and splashes
- Washable up to 50 times.
- Expandable design that fits all faces with double elastic bands