Against PM2.5 ,reactive charcoal is fitted to absorb dampness and smelly substance , talk and breathe without influence size:W140XH120mmmaterial: non-woven fabric,reactive charcoalAmerican NIOSH certificationhas such advantages as below:1.Against PM2.5 face mask.2.Reactive charcoal is fitted to absorb dampness and smelly substance.3.Without static electricity .4.Talk and breathe without influence ...
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