50PCS Korean KF94 Mask Original 50Pcs Korea KF94 Face Mask Washable with Design KF94 Face Mask 50 Pcs Korea 100pcs KF94 Washable Mask KF94 Face Mask for Men Women Kn94 Mask Original 50 Pcs Fda Approve

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Price:
$7.70 /pc

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How to use

1.

Make sure that the facet in ontact with the respiratory tract is not contaminated.

2.

Wear it to cover the nose and mouth with the nose piece facing up.

3.

Hang the ear straps over your ears to fix the position.

4.

Check for air leakage and put the mask on the face.

Precautions for use

1. Do not use in a closed place with an oxygen concentration of less than 18%.

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