3M PELTOR Optime 101 Earmuffs H7B, Behind-the-Head Ear Protection

3M Peltor Optime 101 behind-the-head earmuffs fit well with most helmets, eyewear and other safety equipment

• For noise levels up to 101 dBA
•  Stainless steel band distributes weight for low-pressure fit
•  Noise Reduction Rating (NRRA Class A.)*: 26 dB. CS
• The NRR may overestimate the hearing protection provided during typical use
• Noise Reduction Rating (NRR)*: 26 dB. CSA Class A. *The NRR may overestimate the hearing protection provided during typical use. 3M recommends reducing the NRR by 50 percent for estimating the amount of noise reduction provided. 
• 3M is Leading the Advancement of Hearing Conservation
•  For industrial/occupational use