3M E-A-R Classic 310-1001 Uncorded Earplugs NRR 29 Review (2026)
Verdict 4.3/5. The 3M E-A-R Classic 310-1001 delivers NRR 29 dB (ANSI S3.19-1974) in a 200-pair bulk format — a proven industrial disposable earplug for OSHA 29 CFR 1910.95 hearing conservation programs.
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