3M™ E-A-R™ Hi Fi™ Earplugs Hearing Conservation 410-3019, 48 Ea/Case
3M ID
70071521614
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Acoustical design reduces noise level across all frequencies without distortion or muffling.
∙ Proprietary, premolded, triple-flange earplug design inserts easily. ∙ Noise Reduction Rating (NRR)*: 12 dB CSA Class AL *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™. "Specifications
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