Ffp1 Active Carbon Respirator 1) CE,FDA,ISO,TUV,NELSON ... ,good quality 3)OEM samples are welcom Ffp1 Active Carbon Respirator 1. Name: Surgical face mask, disposable face ... out to inside: 4.Weight:25g+20g+50 (carbon)g+20 g 5. Size: Adult,17.5* ... Place of origin: Shenzhen, China11. Features: Latex free, high filter efficiency, adaptable nosepiece, fiberglass free12. Application: Hospital, hotel, dustproof ...