EM7209 NORTH INTRUDER (WIDE BRIM) Description Description Cap mounted ear muffs for north hardhats Meets ANSI S3.19-1974 Meets NRR 24dB Meets Z94.2-1994 For wide brim hard hats Related products 7600 SERIES NORTH FULL FACE RESPIRATOR H6B/V , Optime™ 95 Behind-the-Head Earmuffs H6B/V NP102C – DYNA-FIT LITE EARPLUGS 100/BX QB2 REPLACEMENT PODS