Experience the improved filtering performance 3M Aura Particulate Respirator
With the release of the 3M Cool Flow™ Comfort Valve on the Aura™ 9211+ Particulate Respirator model, 3M takes comfort and filtering performance to a whole new level. This 3M respirator's enhanced exhalation valve opens with less effort to let your warm, moist, exhaled breath escape the device faster, improving comfort and breathability.
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