3M Nitro Tapered Foam Polyurethane Corded Earplugs
- 3M Nitro corded earplugs feature bright-colored, tapered foam design for all day wear with great protection.
- Moisture resistant
- Shape equalizes pressure throughout the ear canal as it expands
- Laboratory tested NRR 32dB
- Meets ANSI S3.19-1974 Standards
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