3M E-A-R Classic 311-1110 Corded Earplugs — NRR 29 dura-mesh The N75001L is a gas-and-vapor

The N75001L is a gas-and-vapor cartridge with no particulate filter

The Skullerz 8963 uses an ABS shell in the full-brim configuration with an integrated EPS foam halo liner that provides the all-around lateral impact attenuation required by the Type II classification — protection against impacts from the side

The Moldex 6536 Pura-Fit reduces noise

3m versaflo tr-630 standard rechargeable battery — what the listing actually specifies

How do these compare to NRR 33 plugs from other brands

3M E-A-R Classic 311-1110 Corded Earplugs — NRR 29 dura-mesh The N75001L is a gas-and-vaporEDITORIAL REVIEW: 4. 4 5WC Safety Review 3M E A R Classic 311 1110 Corded Earplugs Best For: corded single use foam hearing protection at NRR 29 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 29 dB the cord earns its keep on jobs where dropped plugs get lost. Editorial assessment by Steven Eaton, WC Safety editor.