Disposable particle masks.
Blank
George R
GR
Draeger Safety, Inc., Pittsburgh, PA, USA.
D000395:Air Pollutants, Occupational; D000397:Air Pollution / Q000517:prevention & control*; D003258:Consumer Behavior; D004209:Disposable Equipment; D004867:Equipment Design; D006801:Humans; D008397:Masks; D010316:Particle Size
D000395:Air Pollutants, Occupational