3M Cool Flow 8511 Valve Particulate Respirator Face Mask
3M 8835+ Cool Flow Valve FFP3 Masks
Particulate filter mask Aura™ 9300+ with Cool-Flow exhalation valve, FFP1 NR D, 9312+ | Protection against particulate | Respiratory protection | Occupational Safety and Personal Protection | Labware | Carl Roth - International