Brenton Safety, Inc.) pre-shaped foam ear plugs from Howard Leight feature a smooth outer skin for maximum user comfort. The NRR 33 rating makes MAX the highest rated ear plug in the U.S. The smooth, soil-resistant skin helps prevent foreign material from penetrating the surface while rolling prior to insertion. Attenuation tested in accordance with ANSI S3.19-1974. Noise reduction rating NRR 33 dB, SNR 34 dB. Orange. Sold by the box.
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