NRR 33 dB 200 pair per box Uncorded
NRR 33 dB Class A(L) 100 pair per box Corded
NRR 32 dB Class A(L) 100 pair per box Corded
NRR 28dB Class A(L) 200 pair per box Corded
NRR 28dB Class A(L) 200 pair per box Uncorded
NRR 32 dB Class A(L) 200 pair per box Uncorded
NRR 25 dB CSA Class A Cap Muff Style Dielectric
25 NRR dB CSA Class B Over the Head Style Dielectric
CSA Type 2, Class E.ANSI Z89.1-2009 Type II Class E CSA Type 2, Class E.ANSI Z89.1-2009...
ANSI Type I, class E CSA Type 1, class E ANSI Type I, class E CSA Type 1, class E
Ratchet SuspensionCSA Type 1, Class E Ratchet SuspensionCSA Type 1, Class E
CSA Type 2 CSA Type 2
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