3M™ Half Facepiece Reusable Respirator 6200 6000 Series, Medium, Resist Gases, Vapors, Particulates, Adjustable Strap Unit of Measurement:each Country of Origin (subject to 047 4178CLBP Country of Origin (subject to change): United States methylamine as well as non oil and oil particulates at concentrations up to 10 times the Permissible Exposure Limit (PEL) with half facepieces or 50 times PEL with full facepieces • Full facepieces must be quantitatively fit tested to claim assigned protection factor above 10 in negative pressure mode • Not for use in environments that are immediately dangerous to life or health (IDLH) 3M™ Filters 2000 This half facepiece reusable respirator offers reliable and convenient respiratory protection and is suitable for many situations