Noise Reduction Rating (NRR)*: 32 dB. CSA Class AL
Foam tips stay clean, even when your hands are dirty
3M™ E-A-R™ Skull Screws Earplugs offer noise attenuation with attitude.
3M™ E-A-R™ Skull Screws Earplugs provide the comfort and hygiene of push-to-fit soft foam plugs with the tough look of threaded metal.
Push-to-fit style for hygienic and convenient wear
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*The NRR may overestimate the hearing protection provided during typical use. 3M recommends reducing the NRR according to the authority in your jurisdiction or reduce by 50% for estimating the amount of noise reduction provided.