Ear Defenders Article 4012

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Hard outer cups: Cover the entire ear to block sound Soft inner padding: Creates a tight seal around the ears for better noise reduction Headband or helmet attachment: Keeps the de fenders securely in place Noise Reduction Rating (NRR): Indicates how much noise (in decibels) the defenders can reduce Ear defenders reduce noise by: Physically blocking sound waves Absorbing sound with foam inside the cups Sealing around the ear to prevent sound leakage Show more