50Pack of BFE95% Face Masks, 3-Ply Cotton Filter Protective Equipment Sanitary for Dust, Germ Protection
Protective face masks made from non-woven material and feature elastic earloops for comfort. Bacterial Filtration Efficiency (BFE) is the effectiveness of a material to filter bacteria of specified particle size, 3.0 µm (micron) ± µm. This expressed as a percentage of a quantity that does not pass through the material.
Disposable Non-medical Face Mask 50pack
* Packing: boxed
* Size: （18.7cm*10cm*9.5cm）
* BFE95%, with a 95% protective efficiency
* 3-ply cotton filter, that is comfortable and Hypoallergenic for wearing