Product name: 3M Nexcare Daily Mask
size: adult mask
The mask is equipped with 3 layers of filter, which helps protect against macro particles and dust. 1 pack consists of 4 masks.
The inner layer is comfortable in contact with the skin and transmits clean air
The random fibers in the middle layer are able to hold particles
Regular fibers in the outer layer that can filter air and large particles
-Bacterial Filtration Rate (BFE) > 98% -Particulate Filtration Rate (PFE) > 99% -Preventing blood and sweat inflection