ITEM NAME:30pair = 60pcs 1100 Disposable Ear Plug Foam Noise Reducer 3C 30pair  earplugs Descriptions and Specifications summarized from product user manual Descriptions Soft, uncorded foam earplugs that conform to the unique shape of each ear for excellent hearing protection and comfort.  ·  Smooth, dirt-resistant surface for hygiene  ·  Comfortable for a wide range of earcanal sizes  ·  Noise Reduction Rating (NRR)*: 29 dB. CSA Class AL. *The NRR may overestimate the hearing protection provided during typical use. we recommends reducing the NRR by 50% for estimating the amount of noise reduction provided.  of Leading the Advancement of Hearing Conservationâ„ ¢..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.
