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Moldex 6650 Softies Corded Earplugs — NRR 33 impact-resistant-gloves water and wastewater treatment handlingEDITORIAL REVIEW: 4. 5 5WC Safety Review Moldex 6650 Softies Corded Earplugs Best For: corded reusable flanged 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 reusable flanged 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. Scoring