Studio : 3M

Publisher : 3M

Binding : Misc.

Product Description
3M E-A-R Hi Fi earplugs feature an acoustical design that 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 percent for estimating the amount of noise reduction provided. 3M is Leading the Advancement of Hearing Conservation.
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