Elvex Quattro EP-413 Corded Reusable Ear Plug – 25dB NRR, 1 Pair, No Case

Elvex Quattro Reusable Ear Plugs (EP-413) Quattro is a universal size reusable ear plug, designed to be used over and over again, with maintained comfort and effectiveness. Elvex Quattro offers the following features: Polymer is non-allergenic and non-irritating to the sensitive skin in the ear canal. Noise Reduction Rating is 25 dB, and the test was performed to ANSI S3.19-1974 at an independent and certified laboratory. EP – 413 European Single Number Rating is 26 dB, and testing was performed at an independent and certified laboratory. Quattro has been assigned U.S. Military national stock numbers. (EP-413)EP-413, A four flange design that allows this ear plug to fit almost all ear canals