Recommended for noise levels up to 95 dBA. Slim design with 2-point suspension exerts lower pressure for comfortable, long-term use. Soft, liquid foam-filled ear cushions provide added comfort and protection. NRR 21. 10 per case
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3M HEARING MUFF, NRR 21 FILE, BEHIND THE HEAD, 10/CS
Behind the head earmuff, NRR 21