3M™ E-A-R™ UltraFit™ Corded Earplugs, Hearing Conservation 340-4002
Product Description
- Carrying case keeps earplugs clean and accessible for re-use.
- Proprietary, premolded, triple-flange earplug design inserts easily.
- Soft polymer is washable and reusable
- Noise Reduction Rating (NRR)*: 25 dB. CSA Class AL.
- Test compatible with 3M™ E-A-Rfit™ Validation System