10 paia/20 pezzi 3M 1100 tappi per le orecchie in schiuma morbida tappi per le orecchie senza fili 29 dB arancione rumore
Soft, uncorded foam earplugs that conform to the unique shape of each ear for excellent hearing protection and comfort. CSA Class AL. The NRR may overestimate the hearing protection provided during typical use.