3M Ear Plugs, 200 Pairs/Box, E-A-R Classic 312-1201, Uncorded, Disposable, Foam, NRR 29, For Drilling, Grinding…

Amazon.com Price: 34.66 (as of 01/10/2022 02:38 PST- Details)

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SECURE: Exposed cell surface texture resists movement and helps maintain an effective seal creating a comfortable, snug noise barrier. Noise Reduction Rating (NRR) 29 dB. CSA Class AL.
OUTSTANDING COMFORT: This unique slow-recovery, low-pressure foam and special cylindrical shape help enhance comfort throughout the day by creating lower pressure in the ear canal.

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