3MH7-B
3M™ PELTOR™ Optime™ 101 Earmuffs, H7B, behind-the-head, 10 pairs per case
Features
- "Noise Reduction Rating (NRR)*: 26 dB. CSA Class A Fit can be verified with 3M™ E-A-Rfit Dual-Ear Validation System Replaceable ear cushions and foam liners (3M™ PELTOR™ Hygiene Kit HY7)"
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