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For black at heavy gauge
NOT UL 2034 compliant Power 3 AA batteries (replaceable) Warranty 10-year limited Related CO Safety Resources
Passive ESLI for mercury saturation
HDPE shell approximately 15% lighter than PC-ABS
3M E-A-Rsoft SuperFit 311-1254 Corded Earplugs — NRR 33 Optime 95 For black at heavy gaugeEDITORIAL REVIEW: 3. 2 5WC Safety Review 3M E A Rsoft SuperFit 311 1254 Corded Earplugs Best For: corded single use foam hearing protection at NRR 33 dB with a retention cord. Not For: non noise hazards, or noise that earplugs alone can't bring under ~85 dBA (add earmuffs). Bottom Line: a solid corded single use foam plug at NRR 33 dB the cord earns its keep on jobs where dropped plugs get lost. Editorial assessment by Steven Eaton, WC Safety editor.
