3M9002V Folding Head Dust Mask with Breathing Valve

3M9002V foldable protective mask with valve particulate matter has obtained China's la certification and meets the requirements of our national standard GB2626-2006KN90. Electrostatic filter cotton provides outstanding protection against dust and particulate matter, and its filtering effect on non-oily particulate matter and dust is more than 90%. With exhalation valve, suitable for long time wearing in hot and humid environment. Generally applicable to dust protection of the product during sand storm, daily cleaning, painting, wood processing, material processing, grinding and other operations.