6 Pcs Unisex Mouth Mask Black Anti Dust Mask Anti Dust Pollution Face Mouth Mask, Washable Reusable Cloth Mouth Masks for Smoke Cycling Camping Travel (6 Pcs)

Description

Color:6 Pcs When do I need to replace my mask? 1. The mask is contaminated, such as blood stains or droplets 2. The user feels that the respiratory resistance becomes larger 3. Defective mask 4. Dust filter cotton, in the case that the mask is in good contact with the user's face, when the user feels great resistance to breathing, it means that the filter cotton is full of dust particles and should be replaced Masks should be washed daily 1. Gently rub the mask with warm water and soap first. The bowl-shaped mask can be gently cleaned with a soft brush dipped in detergent, and then washed with water. Do not rub it hard, because if the gap between the gauze is too large, anti-blocking effect will be lost. . 2. Put the cleaned face mask in boiling water for 20 minutes or steam in a steamer for 15 minutes, then dry it for later use. 3. Before using it again, you should carefully check whether the mask is still intact. For gauze masks, you can use the light transmission inspection method. Take the mask in front of the lamp to see if there are obvious light spots, and the transmittance of the middle and edge parts Is it consistent? If in doubt, replace it with a new one. Regardless, masks and masks are generally updated after 3 to 7 washings