20 x Boxes of 50 disposable masks with three (3) later filter protection.
This product is NOT suitable for respiration protection in special industries, such as anoxic environment, underwater operation, escape, fire control, medical and industrial dustproof, nor for infants and children.
Do not use for the isolation of toxic gases, toxic dust, etc.
Cover now and mouth when using.
Please stop using if it causes an allergic reaction after us.
This product is a disposable mask, if contaminated by blood and saliva, it should be discarded and replaced timely.
Press and fix the nose wire across the nose-shape according to personal characteristics.
Unfold the mask, wear the ear belt behind the ear. Ensure that the ear belt hangs around the ear.
Stretch out the mask and adjust it to fit the face.