... used any where need prevent dust,pollen and bacteria CE,FDA,ISO Code:F91013Descriptions:1. Soft, lightweight, Comfortable, odorless2 ... In clinical offices, housework, gardening and maintenance for filtering dust,pollen, and bacteria6.In laboratories and factories ... materials produced by machinery7. Sanitation and quality in accordance with CE,FDA,ISO9001standards8. Inner packing: 100pcs/inner box Outer ...