www.safetyandhealthmagazine.com/articles/15475-passive-hearing-protection
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Passive hearing protection

March 26, 2017

left/RIGHT Passive Hearing Protection Earmuffs are different from other earmuffs on the market – the cups are designed to account for the asymmetrical position of each ear on the head. The cups can be adjusted to the angle of the ear, as well as independently raised or lowered. left/RIGHT earmuffs are available in three noise reduction models: low (NRR 21), medium (NRR 25) and high (NRR 28).

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