BOULDER kf94 mask original 100 pcs Face Mask 4Layer Non-woven Protection Filter 3D Anti Viral Mask Korean style Black Mask Reusable

How to use1.Make sure that the facet in ontact with the respiratory tract is not contaminated.2.Wear it to cover the nose and mouth with the nose piece facing up.3.Hang the ear straps over your ears to fix the position.4.Check for air leakage and put the mask on the face.Precautions for use1. Do not use in a closed place with an oxygen concentration of less than 18%.2. Do not wear a towel, tissue, etc. over the respirator after wrapping it.3. Do not use if the inside of the mask is contaminated.4. Do not crush or deform the icosahedron.5. Do not use after washing.6. If breathing is uncomfortable due to wearing a mask such as pregnant women, respiratory organs, cardiovascular patients, children, the elderly, etc., discontinue use and consult with a doctor, etc.Quality indicatorProduct : Ollim Life & Health Mask (KF94)Material : non-woven fabric (outer, filter, lining), polypropylene coated wire (nose), Polyurethane/nylon string (ear string)Manufacturer : Ollim Global Co., Ltd.Country of origin : KoreanSales source : K-JEOMBBANGStorage method : sealed container, stored at room temperature (1~30℃)Period of use : 36 months from the date of manufactureEfficacy : Protects the respiratory tract from harmful particulate matter such as yellow dust and fine dust and infectious agents