Offers the highest noise reduction rating in the industry. Unique, nonirritating foam is longer for deeper insertion into the earcanal. Provides optimal hearing protection; perfect for airline mechanics and stamping machine operators. Test compatible with 3M™ E-A-Rfit™ validation system. Corded/Cordless: Cordless; Shape: Cylindrical; Material(s): PVC Foam; Noise Reduction Rate (NRR): 33 dB.
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