KN95 mask 5-layer filter safety PM2.5 dust mask meets American standards, reusable disposable mask, free shipping with FFP2 certificate
Description
1. Five-layer protection, double-layer melt blown, say no to air pollution; 2. Three-dimensional ventilation, easy breathing; 3. Elastic ear cords, comfortable travel; 4. 5-layer filtration, safe purification;
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