3 m™E-A-R™FX锥形泡沫绳耳塞,NRR 33dB (100pr)

Super Soft, Slow Recovery Foam

3M™ E-A-Rsoft™ FXearplugs功能一个专利的形状更有效地适应the ear canal. 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. 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. One pair per poly bag.

Manf:3M™#312-1274 /7000127212

Packed: 100 pair per box