RH-09301 （non-woven face mask）:a.it is made of non-woven material.b.Application in precision electronic factory, medial facilities, laboratory, computer room, hospital ect. Cleanroom place.c.Gross weight: 3.5gd.Thickness: 0.45mme.Package: 50pcs/ inner box 40 inner box/ outer box ( 1 ctn=2000pcs)
