3M E-A-R E-Z-Ins Uncorded Earplugs Hearing Conservation, 350-4000 400 PR/Case-OBSOLETE

3M E-A-R E-Z-Ins uncorded earplugs feature a contoured design that is soft, comfortable, and easy to insert. Contoured design is soft, comfortable, and easy to insert. (bul) No roll-down needed, simply push in the flexible insertion tip. (bul) Washable and reusable. (bul) Noise Reduction Rating (NRR)*: 22 dB. CSA Class BL. *The NRR may overestimate the hearing protection provided during typical use. 3M recommends reducing the NRR by 50% for estimating the amount of noise reduction provided. 3M is Leading the Advancement of Hearing Conservation.

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