The SHIRUDO Copper Oxide 4-Ply Surgical Facemask provides 24 hours of antimicrobial protection and meets USA ASTM Level 3 standards, the highest level of protection. It has been tested according to ASTM F2101-19, ASH20-073199-01, 2021FM00949R01E and offers viral, bacterial, and particle filtration efficiency of ≥99.9%. The mask is fluid resistant to >160 mmHg, with breathability performance (Delta P) of <6.0 mmH₂O/cm², and has flammability Class 1.

This product is hypoallergenic, latex-free, and fiberglass-free, making it suitable for sensitive skin users. It is soft, lightweight, and manufactured in compliance with ISO 13485, MDA, FDA, and CE certifications. Made in Malaysia.

Storage Condition:
Maintain the facemask in a closed pack and store it in a cool, dry environment.

Shelf Life:
5 years from the date of manufacture.