3M E-A-Rsoft FX earplugs feature a patented shape to more effectively fit the ear canal. The result? Tests in an accredited NVLAP laboratory showed 3M E-A-Rsoft FX earplugs provide the highest Noise Reduction Rating of any earplug in the industry-NRR 33 dB. You can't get any higher protection. 3M E-A-Rsoft FX earplugs are made of a custom polyurethane foam formulation for slow recovery and increased softness in the ear canal. In a plug-to-plug comparison, a panel of wearers voted E.A.Rsoft FX earplugs the softest and best fitting earplug. If given the choice, they'd choose to wear 3M E-A-Rsoft FX earplugs.Features:* Highest Noise Reduction Rating of any earplug in the industry.* Made of a custom polyurethane foam formulation for slow recovery and increased softness in the ear canal.* Shaped design helps fit ear more effectively.* Flanged end for easy insertion & removal.* Made in USA.Specification:* Laboratory tested NRR 33dB.* Meets ANSI S3.19-1974 Standards
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