+ Layer: 3 layers or 4 layers
+ Specification: high-quality safety standard non-woven fabric & Metlblown. High-elastic ear loops and adjustable nose clip to ensure a comfortable fit. Outer layer is effective dust/water prevention. Bacteria/virus prevention.
+ Use: Medical use, general public/healthcare personnel, Hazardous environment, travel and life routine.
+ Color: Blue, Black, Grey, White.
+ Testing report: ASTM F2100 – Level 2 & EN 14683 – Type IIR BFE> 98%, PFE >98% (Bureau Veritas)