Re-usable ER20 earplugs are configured to replicate the natural response of the ear canal. When sound enters the earplug it is reproduced exactly the same as the ear would hear it, but quieter.
ER20s are ideal for many applications with constant high sound levels. Affordable protection without compromising sound quality.
Virtually 'flat' response across all frequencies, re-usable and washable. They come complete with a laser printed, aluminium carry case.
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