1. Place the ear loop over your ears and hold the face mask onto your face.
2. There are two (2) colors in the face mask, white and blue(green). There are different usage of these two colors:
a. If you use the face mask for purpose of preventing the inhalation of haze, smoke, dust or if you are working in a manufacturing industry, place the blue (green) color side of the mask at the outside.
b. If you use the face mask because you are feeling unwell and to prevent others from getting infected, place the blue (green) color side at the inside.
3. Press the metal strip according to the shape of your nose to make sure the mask is properly fitted for higher effect.