Curved flange design gently hugs the ear canal to provide an effective seal protecting against noise. Patented, premolded, triple-flange design inserts easily. No rolling or sizing needed to get a comfortable, protective fit.Hypoallergenic polymer is washable and reusable. NRR 25dB.ANSI S3.19-1974; CSA Z94.2; CSA Class AL.
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