KN95 protective mask ear-band external nose bridge factory

5 face kn95 layer Mask

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5-layer non-woven fabric KN95 disposable protective mask, designed to provide more protection than standard disposable 3-layer masks
The mask is made of 5 layers of filters to provide extra protection. For general use only-not for medical use. Cannot replace gas masks and medical masks. If breathing is difficult or unstable, or unavailable during sleep