3M 9542 呼吸マスク

P2 standard dust mask used to protect against solid particulate matter and mist from activities: grinding, sanding, sawing, bagging or mining processes coal, iron ore, fine powder, wood, metals, pollen and certain other substances.

Meets Australian / New Zealand standards for dust filter class P2

Tightness adjustment metal bar is strong and durable

Activated carbon layer helps reduce unpleasant odors of organic vapors

3M one-way breathing valve reduces heat and humidity inside the mask - Folding design, easy to carry