Filtering efficiency grade:
Grade I (Filtering efficiency ≥95%)
The product should be transported by a carriage/shipping position with an awning, and should be kept clean and free from rain and the sunshine.
The product should be stored in clean rooms without erosive gas and with good ventilation.
The product is used for filtering particles in the air and blocking droplets, blood, physical liquids and secretions in medical environments. And it is sterilized by epoxy ethane, bacteria-free and valid for two years.