... :Nonwoven 2.Weight:160g,180g,200g,220g,240g 3.CE ISO certification 4.BFE over 99% Nuisance Dust Mask Item pic ... -on on mask body 8.Lightweight9. High Bacterial Filtration Efficiency 10.ISO/CE approved9.Application: Use for construction, mining, textile, grinding medicine ... , agriculture and animal husbandry, cutting dust, pollutes from heavy metal. 10.MOQ:100,000PCS 11.Delivery Time :15 days 12.Packing ...