Sanitary disposable mask (for civilian purpose) 1.Descriptions Product Name: Sanitary disposable mask Packing size: 50pcs/box Size: 17.5CM*9.5CM Structure&components: three plies, including SS N.W., melt-blown N.W. and SS N.W. Application: for protectingagainst potential virus, likeblood, body fluid and secretion etc. Product main performance: 1)The effective filter rate should be not less than 95% 2)PFE: 0.1UM mirco particle filter efficiency, 95% 3)BFE: bacterial filtration efficiency/3.0UM, 98% 2 Packing: 2000pcs/carton