I st layer____________________________________
Water-repellent spunbonded non-woven layer to prevent fluid from entering the mask.
2nd layer____________________________________
Oil-repellent spunbonded air through non-woven layer.
3rd & 4th layer____________________________________
High density FFP melt-blown filters provide protection against large particles.
5nd layer____________________________________
Micro-fiber spunbonded non-woven provides easy breath with minimal moisture and comfy wear.