... face mask with filter 1,produced in the purification area. 2,CE ISO Approved 3,BEF90%~99% 3-ply face mask with ... , 17.5*9.5cm,2, 3-ply, nonwoven face mask or with the isolation layer(melt-blown fabric) .3, ... disposable products are surgical gowns, surgical caps, shoe cover, face mask, latex gloves, surgical gloves, all kinds of medical kits, ... s begin the win-win cooperation! 3-ply face mask with filter