3M Classic Plus Earplugs Corded #3MR311-1105

These earplugs offer excellent protection (NRR 33dB), have an easy-to-use cylinder shape, are made of soft foam and are moisture resistant Features: - Longer than Classic earplugs to fit deeper into the ear canal and provide a higher level of protection - Slow-recovery foam helps ensure comfort and minimize pressure - Bright yellow color provides a quick visual compliance check - Dermatologically safe foam is non-irritating, nonflammable, and moisture-resistant - NRR 33dB - ANSI S3.19-1974; CSA Class AL