3M™ PELTOR™ Optime™ 101 Earmuffs, H7B, behind-the-head final-sale Multiple hook options available

Multiple hook options available

reliable and durable physiological monitoring device

Northwest Territories

- 2pcs AAA batteries

- Front chest pocket

3M™ PELTOR™ Optime™ 101 Earmuffs, H7B, behind-the-head final-sale Multiple hook options availableHighlights 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) 3M PELTOR Optime 101 Earmuffs H7B fits well with most helmets, eyewear and other safety equipment. 3M PELTOR Optime 101 Earmuffs H7A help provide effective hearing protection and are designed for noise levels up to 101 dBA. It provides consistent force to keep