3M E-A-Rsoft SuperFit 311-1254 Corded Earplugs — NRR 33 Optime 95 and acid handling and transfer

and acid handling and transfer where HCl and HF vapor are the confirmed hazard

Pressure Diffusion Technology

Check the approval label for the exact assembly before ordering

HDPE shell approximately 15% lighter than PC-ABS

For black at heavy gauge

3M E-A-Rsoft SuperFit 311-1254 Corded Earplugs — NRR 33 Optime 95 and acid handling and transferEDITORIAL 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.