highest nrr ear muffs for sale, brand-new and used.

3M Peltor X-Series Over-the-Head Earmuffs, NRR 31 dB, One Size Fits Most, Black X5A (Pack of 1) The X-Series earmuffs are 3M's latest advancement in hearing conservation. New technologies in comfort, design and protection all come together in this groundbreaking earmuff line. The X5A earmuffs offer the highest NRR (31 dB) for an earmuff on the market which makes them ideal for very high noise situations.

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