Mx Surgical face masks are latex free and hypoallergenic. They offer 3 layers of non woven fabric and comply with EN 146683 Medical standards. This Typ IIR masks have a 98% BFE rating.
*Bacterial Filtration Efficiency
(BFE) is a measurement of a masks resistance to penetration of bacteria. Results are reported as percent efficiency and correlate with the ability of the fabric to resist bacterial penetration. Higher numbers in this test indicate better barrier efficiency.