3M Aura 9312+ Disposable Respirator, FFP1, Valved, Pack of ...
R labeling: The mask has been tested for reusability and has the required performance features for wearing during a second work shift. NR: nonreusable D labeling: The mask has undergone additional dolomite dust testing and therefore affords excellent breathability, even in extremely dusty environments and during long periods of use. Particle masks Series 3M ™ Aura ™ 9300+ offers effective ...