3M head-mounted mask 9334CV + anti-fog haze anti-PM2.5 dust-proof KN95 level protection breathable (12)

Description

Item Package Quantity:12 3M9334CV + is a high-end personal protective mask, AURA is also a high-end series of products in 3M masks; 3M high-efficiency electrostatic filtration technology, filtering efficiency of oily particles and non-oily particles ≥95%; Low respiration resistance cotton technology makes filtering more thorough and breathing smoother; Three-plate folding design opens up a large space to breathe, the face is more adaptable and more comfortable to wear