3M GT500073132 防尘口罩, P3 每包10只
The is a particle filter Half Mask protects against aerosols 3rd degree of protection with exhalation valve. It combines the advantages of particle filter ™ material with advanced manufacturing technology filters with low breathing resistance. It features high-level of protection and filtering. The 3M™ Cool Flow™ exhalation valve effectively removes the resulting heat, removes exhaled air, reduces the risk of fogging glasses, provides the ease of breathing and comfort during use.