10 PCS Antibacterial KN95 Safety Mask With Air Filter-Reusable
Wearing method: head-mounted
Exhalation valve: Yes
Filtration level: KN95
Color: white, gray
Activated carbon: None
Executive standards: GB2626-2006, EN149: 2001
The surface layer is 50g spunbond, the second layer is 45g hot air cotton, and the third layer is 30g KN95 filter material, and the inner layer is 30g PP spunbond.