Smooth, dirt-resistant surface for hygiene; comfortable for a wide range of ear canal sizes Noise Reduction Rating (NRR)*: 29 dB. CSA Class AL. *The NRR may overestimate the hearing protection provided during typical use.
Smooth, dirt-resistant surface for hygiene; comfortable for a wide range of ear canal sizes Noise Reduction Rating (NRR)*: 29 dB. CSA Class AL. *The NRR may overestimate the hearing protection provided during typical use.
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