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3 m respirator zhengpin 9002 v with respiratory valve N95 anti - smog anti - industrial dust anti - avian state-run.
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Note:
1. This mask is environmentally friendly packaging: 25 is packaged into one bag for one box. A mask has no independent packaging.
2, can prevent PM2.5, bird flu! It has the characteristics of good air permeability, fast heat dissipation and no sulking.
3. Each mask can be used for 5-7 days. Use about 8 hours a day. Store in a clean bag when not worn.
