Model : disposable Protective Face Mask Qty:50pcs/box Brand : Fw Sterilization Level:non-sterile Product Size:175mm*95mm Period Of Validity:2 Years Executive Standard:yy/t 0969-2013 Product Structure:mask,a Nose Piece,elastic Ear Loop The Mask Is Constituent Of 3 Layers Filter: Outer And Inner Layer Is Made Of Non-woven Fabric,middle Layer Is Made Of Meltblown Non-woven Fabric.
