3M E-A-R Classic Earplugs 311-1101 - Corded, 2000 Pairs low loss cable Frequency: 144-160

Frequency: 144-160

2nd Connector Type: PL-259

VHF commercial radio systems (160-163 MHz)

Available with four suspension/retention options

3M E-A-R Classic Earplugs 311-1101 - Corded, 2000 Pairs low loss cable Frequency: 144-1603M E A R Classic Corded Earplugs The Original & Still the Best The world's first foam earplugs and still one of the most widely used today. The 3M E A R Classic set the standard for hearing protection and continues to deliver reliable, economical protection for millions of workers worldwide. A Legacy of Protection: When 3M introduced the E A R Classic, they revolutionized workplace safety. Decades later, these earplugs remain a trusted choice because