EM7206 NORTH INTRUDER Description Description Cap mounted ear muffs for north hardhats Meets ANSI S3.19-1974 Meets NRR 24dB Meets Z94.2-1994 Related products H6B/V , Optime™ 95 Behind-the-Head Earmuffs H6B/V H7B 3M PELTOR OPTIME LL-1LASER LIGHT EAR PLUGS NP102C – DYNA-FIT LITE EARPLUGS 100/BX