Wholesale Anti-germs Mask Disposable medical mask Specification: FFP2 NR mask,10.5x15.5cm Feature: particle filtering half mask Standard:EN 149:2001+A1:2009 FFP2 NR Material: 58% non-woven fabrics,40% melt blown,20% hot air filter cloth Certificates Testing report EN149-2 Quality control system 1. Filter material comprehensive performance tester. 2. Ultraviolet spectrophotometer. 3. Tensile tester. 4. Ventilation resistance tester. 5. Isolation type constant website:http://www.rongbo-medical.com/ffp2/anti-germs-mask/