① Hold the protective mask with one hand, with the nose clip side facing away.
② Cover the nose, mouth and chin with the protective mask, and the nose clip should be close to the face upward.
③ Use the other hand to pull the lower strap over the top of the head and place it under the ears behind the neck.
④ Pull the upper strap to the middle of the head, and fix it at the proper position of the head according to the rubber bands at both ends of the mask.
⑤Put the tips of your fingers on the metal nose clip, start from the middle position, press the nose clip inward with your fingers, and move and press to the sides, respectively, to shape the nose clip according to the shape of the nose bridge.
⑥Cover the mask with both hands, and then exhale vigorously. The mask should be gently inflated. If you feel that air is leaking between the face and the mask, you need to readjust the position of the mask and adjust the nose clip to achieve a good fit.
2. Medical surgical masks
① Wear the white face inward and the blue face outward. Cover the nose, mouth and chin with the rubber band tied behind the ears.
②Put the tips of your fingers on the nose clip, start from the middle position, press inward with your fingers, and gradually move to both sides, shape and press the nose clip according to the shape of the nose bridge.
③Adjust the tightness of the lace.