Poly bag keeps each pair of earplugs clean before use.
Noise Reduction Rating (NRR)*: 32 dB. CSA Class AL.
Test compatible with 3M™ E-A-Rfit Validation System.
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Poly bag keeps each pair of earplugs clean before use.
Noise Reduction Rating (NRR)*: 32 dB. CSA Class AL.
Test compatible with 3M™ E-A-Rfit Validation System.