The 3M™ Lens Frame Assembly FF-400-05 is a replacement lens frame assembly that includes the screw, nut and identification plate for use with the 3M™ Ultimate FX Full Facepiece Reusable Respirator FF-401, FF-402, FF-403.
3M™ Lens Frame Assembly FF-400-05 is to be used with compatible products. Replacement part can extend respiratory equipment service life.