dhl shipreplaceable 5 ply face mask pad with activated pm2.5 filter carbon dust pm 2.5 s air mask
Description
replaceable 5 ply famask pad pm2.5 with activated carbon dust pm 2.5 s air mask 8.1.the first layer: high efficient filter cloth filter the dust of micron.2.the second layer: meltblown cloth to filter industrial pollutants, automobile exhaust, second-hand smoke pollen allergies.3.the third layer: high efficient filter cloth filter benzene and a smaller function of filtering dust microns.4.the fourth layer: activated carbon cloth filter density, sma.
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