3M Ear Plugs, 200 Pairs/Box, E-A-R Classic 310-1001, Uncorded, Disposable, Foam, NRR 29, For Drilling, Grinding…

Amazon.com Price: 29.99 (as of 01/10/2022 02:38 PST- Details)

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
SOFT SOUND ABSORBING FOAM: Proprietary foam is initially firm to make fitting the ear plug easier, then softens once it’s in the ear to comfortably conform to the unique shape of each ear canal

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