Etymotic Research ER 20 Plugs
Etymotic Research® ER 20 Plugs
High-fidelity hearing protection in affordable, universal fit earplugs. Eytmotic® Ety-Plugs lower the overall noise level but preserve sound quality, providing great hearing protection for concerts, sporting events, airline travel, industry, etc. Each pair comes with a small carrying case and can be fitted with an optional cord to help prevent loss.