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 MAX 1EAR PLUGS A700 NORTH SERIES EYEWEAR A704 NORTH SERIES EYEWEAR 75SCP100 Gas and Vapor Cartridge with P100