3M Soft Foam Ear Plug 311-1250
1. color: yellow
2. NRR(Noise Reduction Rating): 33 Decibel
3. SNR: 36 dB
4. package: 200 pairs/case, 10cases/carton
There is another item 3M 312-1250 foam earplug without cord, NRR(33dB), SNR(36dB).
3M™ E-A-Rsoft™ Yellow Neons™ earplugs seal the earcanal with soft, slow-recovery foam for excellent noise reduction and comfort.
These corded foam earplugs feature soft, slow-recovery foam for comfort and outstanding noise reduction. Soft foam earplugs are easy to roll down and insert, then expand within the earcanal for a comfortable, secure fit.
Benefits
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Poly bag keeps each pair of earplugs clean before use.
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Regular size fits most earcanals.
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Noise Reduction Rating (NRR)*: 33 dB.
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Test compatible with 3M™ E-A-Rfit™ Validation System.