ZHONGCHEN 10Pack of KN95 Face Masks, 4-Ply Cotton Filter Medical Sanitary for Dust, Germ Protection

ZHONGCHEN KN95 Face Masks, 4-Ply Cotton Filter Medical Sanitary for Dust, Germ Protection and Personal Health Care

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 a specified particle size, 3.0 µm (micron) ± µm. This expressed as a percentage of a quantity that does not pass through the material.

Features
* Packing: boxed
* Size: 6.3''x4.72''x2.75'' (16x12x7cm)
* PFE95%, with a >=95% protective efficiency                                                             * Anti PM2.5
* Multi-ply contton filter, that is comfortable and Hypoallergenic for wearing
* With earloops for wearing
* Fluid Resistance/Flammability/Needle Filter Cotton
*  FDA, CE qualified

Notes:
Masks contain an aluminum nose piece and should be stored in a cool and dry place, avoiding excessive heat (40°C / 104°F).
Masks should be disposed of after every use.

HOW TO USE
* Pull and extend the mask with two hands and be sure that the nose clip is upward
* Hold the mask onto face and pull elastic bands over ears
* Press and adjust nose clip to fit and form the shape of nose bridge
* Discard after every use