3M E-A-R Earmuffs, 27 dB NRR, Case/20
$197.50
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Outstanding comfort and protection from Blue Monster Prep at a budget-conscious price. Features Vertical adjustment system for quick and easy fitting Large ear cup openings to fit most ear sizes Soft, wide cushions for even pressure and extra comfort Noise Reduction Rating (NRR)* 27dB. CSA Class A Includes 20 pairs of Earmuffs *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.
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