While Stocks Last!
Each box contains 50pcs of Face Masks. Min purchase of 3 boxes!
3 layers of non-woven fiber containing filter web in the middle
Bacterial Filtration Efficiency (BFE): > 99%
Storage: Store under cool, clean, and dry conditions. Avoid excessive heat (over 40°C or 104°F)
Shelf Life: As a guide, 5 years from manufacture date