RZ MASK M2.5 Mask Black Medium MK-229A-20696

M2.5 Mesh Mask has a flexible dual elastic strap system, Best-in-class filtration and comfort with 360-degree seal, Comfort when worn for exercise, movement or extended wear, Breathable mesh material cool and comfortable, Washable and reusable, Filters remove up to 99.9% of particulates down to .1 micron in size surpassing the N95 testing standard, Dual one-way discharge valves reduce moisture inside the mask, Adjustable nose clip eliminates any fogging of your glasses, Filter performance independently proven by world-renowned Nelson Laboratories