3M™ Classic™ SuperFit™ 33 Corded Earplugs 311-1125, in Poly Bag
The patented "fitting ring" provides a guideline for proper insertion and a quick visual compliance check.
|ITEM#|| : ||311-1125|
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Low-pressure, slow-recovery foam helps ensure a comfortable, individualized fit. Dermatologically safe foam is non-irritating, nonflammable, and moisture-resistant. NRR 33dB. ANSI S3.19-1974; CSA Class AL.