3M E-Z-Fit 312-1222 Corded Earplugs — NRR 28 22084 As nitrile foam coated gloves

As nitrile foam coated gloves

or face-protected work

the highest-NRR guide and passive muffs guide

See how to calculate the NRR you need

3M E-Z-Fit 312-1222 Corded Earplugs — NRR 28 22084 As nitrile foam coated glovesEDITORIAL REVIEW: 2. 7 5WC Safety Review 3M E Z Fit 312 1222 Corded Earplugs Best For: corded single use foam hearing protection at NRR 28 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 28 dB the cord earns its keep on jobs where dropped plugs get lost. Editorial assessment by Steven Eaton, WC Safety editor. Scoring