FIVE-LAYER POWERFUL FILTERING
1
st
Layer: Spunbond cloth, filter the dust of micron
2
nd
Layer: To filter industrial pollutants, automobile exhaust, second-hand
smoke pollen allergies
3
rd
Layer: Activated carbon cloth, benzene and a smaller function of filtering
dust microns
4
th
Layer: Filter density, smaller material
5
th
Layer: Spunbond cloth,folter out all kinds of harmful substances
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