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Walkers - Hearing Protection/Communication; Type: Earplugs w/Radio; Standards: ANSI S3.19–1974; Noise Reduction Rating (dB): 26.00; Radio Type: Bluetooth; Cup Color: Beige/Black; Disposable or Reusable Plug: Reusable; Plug Color: Beige; Black; ANSI ...
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Measuring Noise Reduction in Hearing Protective Devices: Labeling Requirements and Guidelines - ANSI Blog
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