3M™ PELTOR™ Optime™ 98 Over-The-Head Earmuffs3M PELTOR Optime 98 Earmuffs feature a stainless steel headband for consistent force and effective hearing protection. They are lightweight, comfortable and designed with ultra light liquid and foam filled earmuff cushions. Fit can be verified with 3M E A Rfit Dual Ear Validation System Noise Reduction Rating (NRR)*: 25 dB. CSA Class A Replaceable ear cushions and foam liners (3M PELTOR Hygiene Kit HY52)
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