Elvex Quattro EP-402 Reusable Ear Plug with Container, 25 Nrr, 1 Pair
Elvex QuattroTM Reusable Ear Plugs (EP-402)Quattro (EP-402) is a universal size reusable ear plug, designed to be used over and over again, with maintained comfort and effectiveness.Noise Reduction Rating is 25 dB, and the test was performed to ANSI S3.19-1974 at an independent and certified laboratory. See test data below.European Single Number Rating is 26 dB, and testing was performed at an independent and certified laboratory. See test data to EN-352-2 below.Quattro is available in five versions, corded and un-corded, and packaged in poly-bag or handy plastic container, as well as in a metal detectable version. Quattro has been assigned U.S. Military national stock numbers.  (EP-402)