Respiratory protection from nuisance levels of irritant acid gases (below OSHA PEL). Comfortable and durable with a naturally contoured facepiece and a polymesh shell. Exhalation valve channels warm exhaled air out of mask, allowing workers to breathe easier and stay cool. Flame retardant shell. NIOSH approval TC-21C-523.
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Colonial Scientific has teamed up with the industry leaders, Fisher Scientific and VWR, and now offers their entire product line. Colonial Scientific provides any part from the Fisher Scientific site with a part number.