Black and White K f 9 4 Adult /Coronavirus K f 9 4

The correct way to wear the K F 9 4 is as follows:

1. Cleaning: wash hands first to avoid dirty hands polluting the inside of K F 9 4;

2. Hanging: stick K F 9 4 horizontally on the face, mouth and nose, and hang the rope at both ends on the ears with both hands;

3. Pull: pull out the wrinkles of KF 94 with both hands up and down at the same time, so that KF 94 completely covers the mouth, nose and chin;

4. Press: finally, press the metal strips on both sides of the bridge of the nose with the index fingers of both hands to make the upper end of the mask close to the bridge of the nose.

When wearing, be sure to put the white side in and the metal side up. First, tie the lower two belts behind your neck and tighten them! Make the lower edge of K F 9 4 reach the root of chin;

Pull up the upper edge band of K F 9 4, cover the mouth and nose with K F 9 4, and pull the two bands behind the ears to the head instead of the ears. Press the metal wire at the upper nasal root of KF 94 with two index fingers to make it close to the nasal skin, and then gradually move the food to both sides to make the whole KF 94 close to the facial skin.

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