Sterilized or non-sterile, what’s the difference?
Masks that have undergone sterilization methods such as ethylene oxide (EO) are called sterilization-grade masks (the outer packaging needs to be marked with sterilization grade). Unsterilized products will be marked on the outer packaging as non-sterile grade, common grade, etc. In medical places that strictly control the microbial environment (such as ICU, operating room, etc.),…