Filter Function:1.The first layer: spunbond cloth, filter the dust of micron2.The second layer: to filter industrial pollutants, automobile exhaust, second-hand smoke pollen allergies3.The third layer: activated carbon cloth, benzene and a smaller function of filtering dust microns4.The fourth layer: filter density, smaller material5.The fifth layer: Spunbond cloth, filter out all kinds of harmful substances;6.Application: hospitals, out, site, tourism, colds, operating workshops, farms, haze weather, cold and warm
Disclaimer: This face cover is designed to aid defence against the spread of infection. It makes no assurances that it can prevent transmission or infection of disease or viruses. It is not a medical or clinical face mask and as such should not be used for this purpose, it should not be used under any circumstances where infection level is high and in any exposure to high level heat sources or combustible substances.
PLEASE NOTE: FOR HYGIENE REASONS THIS ITEM IS NON RETURNABLE UNLESS FAULTY