3M Peltor Optime 101 H7B Behing The Head Earmuffs NRR 26dB 7000002329

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 The Earcups Snugly In Place Yet With A Low Pressure Fit That Is More Comfortable.