MF34 face mask for workers

This type gas mask designed for poisonous and harmful gas in the industrial, emergency rescue, disaster relief and other non war military mission activities, used for personal protection under low-risk radioactive dust, industrial chemicals, and biological aerosol pollution environment.
Warning: this type mask do not apply to the harmful substances and radioactive contamination area which volume concentration is greater than 1%, oxygen concentration less than 17% of the working environment.
The canister is filled with good quality impregnated activated carbon and smoke filter made of high efficiency filter paper, and can remove toxic gas and particulate aerosol from the incoming air except carbon monoxide. The canister has a low resistance and lightweight.