NEUTROVIS 4PLY FEATHER IRIS 50S

This face mask is a 4-ply premium medical grade face mask. The face mask is made of melt-blown filter fabric with BFE (Bacterial Filtration Efficiency) ≥98% and PFE (Particle Filtration Efficiency) ≥96% which works to block out bacteria, pollution, pollen and dust particles from your surrounding.