100 millions mask 3M model 1860, Color:Blue Application:daily Care Usage:public area Package:20 Pieces box Feature:Comfortable Fit OEM:OEM Service Accepted Disinfecting Type:Ultrasonic Stock:No Shelf Life:2 years Quality Certification:ce Instrument classification:Class I Material:woven Place of Origin:CN;HEN Brand Name:SANYAO Size:17.5*9.5CM Type:medical mask Standard:EN149 Applicable People:Adult Filter Rating:95% Safety standard:GB2626