3M 311-4109 E-A-Rsoft SuperFit Metal Detectable Earplug, Red/Yellow, Corded

3M 311-4109 E-A-Rsoft SuperFit Metal Detectable Earplug, Red/Yellow, Corded

Features:

Specially developed for food processing and other industries where it is critical to keep earplugs from contaminating products and processes
Recognized by most metal-sensing systems, these earplugs feature an implanted stainless steel ball bearing in the plug and metal particles in the cord
Soft polyurethane earplug
EARsoft with SuperFit fitting ring
Regular size fits most ear canals