China Factory Supply Protective Face Mask Disposable 3 Ply Help Fight Avian Flu

Factory supply 3 ply disposable surgical face mask
Protect from virus, dust, pollen, avian flu, PM 2.5
High BFE/PFE
Adjustable nose clip
Elastic ear-loop
Model specifications: hanging ears Specifications: 17.5cmx9.5cm, consisting of mask body, nose clip and mask strap
Storage and transportation conditions: After packaging, store in a relative humidity of not more than 80%. The indoor ethylene oxide residue in a cool, dry, ventilated, non-corrosive gas should not be greater than 10 μg / g. Hang the elastic bands on the sides of the mask on the ears respectively. Align the clip with your nose, pinch the nose clip with your hands, and then pull the folding fold of the opening mask. It can be adjusted to seal and cover the nose and mouth. This product is a disposable product. If you wear it for 4 hours, you need to change the product.