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Measuring Noise Reduction in Hearing Protective Devices: Labeling Requirements and Guidelines - ANSI Blog
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Allen Company Sound Defender Foldable Safety Earmuffs, 26 dB NRR, ANSI S3.19 & CE EN352-1 Hearing Protection Rated, Black/Gray
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Neiko 53925A Adjustable Safety Ear Muffs | ANSI S3.19-1974 Approved, NRR 26 dB | Single Pack, Universal Fit, Hearing Protection - Walmart.com
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Girls With Guns® Assure Low-Profile Earmuffs, 23 dB NRR, ANSI S3.19 & CE EN352-1 Hearing Protection Rated, Gray/Teal/Black
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3M 23 dB Over Head Communications Headset ANSI S3.19-1974 Specification, Black Cup 7100147166 - 31625916 - Penn Tool Co., Inc
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