China Medical Face Mask suppliers FFP3 Face Mask Type: Disposable Medical Respirator Applicable People: Adult Standard: YYT 0969-2013 Filter Rating: 17.5x9.5cm, >95% Place of Origin: Zhejiang, China Brand Name: Aiwode Model Number: Disposable Face Mask Size: 10.5x15.5cm Shelf Life: 2 years Quality Certification: ce FDA Safety standard: EN 149 -2001+A1-2009, EN 149 -2001+A1-2009 Instrument...