... used any where need prevent dust,pollen and bacteria CE,FDA,ISO Code:F91013Descriptions:1. Soft, lightweight, Comfortable, ... pollen, and bacteria6.In laboratories and factories for blocking liquid mists, harmful airborne chemicalsand fine particles Specification:1. ... produced by machinery7. Sanitation and quality in accordance with CE,FDA,ISO9001standards8. Inner packing: 100pcs/inner box Outer packing ...