Description: The 3M E-A-Rsoft ear plug dispenser refill is made of polyurethane foam, is packaged 500 pairs per bottle, 2000 pairs per case, comes in yellow and meets CSA Class AL standards. Proper ...

Ear protection devices can be categorized as plug type or earmuff-type. Earplugs are small components made of silicone, polyvinyl chloride, or polyurethane that fit into the recesses of the ear canal ...