3M E-A-Rsoft FX 312-1261 Cordless Earplugs — NRR 33 312-1250 How the Decibel Defense 37

How the Decibel Defense 37 compares

Both share the same bell-shape polyurethane foam and the same NRR 30

regardless of shell shape or chin strap

within its rating

3M E-A-Rsoft FX 312-1261 Cordless Earplugs — NRR 33 312-1250 How the Decibel Defense 37EDITORIAL REVIEW: 4. 7 5WC Safety Review 3M E A Rsoft FX 312 1261 Cordless Earplugs Best For: corded single use foam hearing protection at NRR 33 dB in a low profile uncorded design. Not For: non noise hazards, or noise that earplugs alone can't bring under ~85 dBA (add earmuffs). Bottom Line: a practical single use foam plug at NRR 33 dB the uncorded low profile fit suits tight spaces and high volume single use. Editorial assessment by Steven Eaton,