[brand]: 3M



[mode of wearing]: headworn



[product packaging]: 20 pieces in a box. If you buy less than 20 pieces, we will pack them in self sealed bags.



[material]: high efficiency electrostatic filter cotton, surface is activated carbon layer



[function]: protective mask against organic gas, formaldehyde and particulate matter. It is used to protect micro organic odor of particulate matter. The minimum filtration effect of preventing non oil and oily particles is more than 95%.



[applicable place]: such as foundry, laboratory, agriculture, petrochemical, primer, paint, office decoration and home decoration environment.



Application: it is suitable for dust protection in construction, stone mining, textile, grinding, metal casting, pharmaceutical, electronic, pharmaceutical, material processing and grinding. It has good dustproof effect on sandstorm.



[service life]: the mask should be stopped when it is damaged or contaminated by blood. If there is no damage, mind to replace the cycle for 2 weeks.