Product Name: N90 Anti Virus Adult Vertical Folding Nonwoven Valved Dust Mask Pm 2.5 Respirator Mouth Mask with Valve Mask Model NO.: KN90 Medical Device Regulatory Type: Type 3 Application: Hospital Certification: CE, FDA, ISO13485 Feature: Reusable Origin: China Product Description ItemSUNFRESH n90 printing mouth disposable flu dust mask n95MaterialNon-woven fabricSize22*15cmNet weight15-18g/pieceFeatureBreathable, Comfortable, Skin friendlyColorBlack, purple, blue, or as customer's requirementsBrand NameSUNFRESH,AIDIME, OEMAccessoryN95,N99 activated carbon filterFunctionAnti-pollution,PM2.5,virus,cold,dust,pollen allergy