Reduce noise and protect hearing Hypoallergenic foamComfortably fits most ear sizes Tested according to ANSI Specs S3.19-1974 The level of noise entering a person's ear, when hearing protector is worn as directed, is closely approximated by the difference between the A-weighted environmental noise level and the NRR. Noise Reduction Rating 32 DECIBELS (WHEN USED AS DIRECTED)
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