Mar 24, 2020· There are two sides of the surgical mask which are white and blue (or green). The white side contains filter. Therefore, if you have flu, it should be attached to your face so that the blue side faces out to prevent the germs from spreading outwards. Masks contain filters that prevent germs and pollutants from being spread.
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Crosstex Brand Surgical Disposable Non Woven 3 Ply Medical Face Mask. Specifications. Fabric: Non-Woven Fabric Size: 13.1 * 13.5 cm Colour: White Use: Chemosurgical, spray-paints or paintings, dyeing, garages, mining, factories of electronic aid and foods, disinfecting, insalubrious workshops. Contact us for more information. Whatsapp : +1 (404) 645-6426