3M 340-4002 E-A-R UltraFit Earplugs, Corded, Carrying Case
- Premolded, triple flange earplug s fit comfortably in a wide range of ear sizes
- No need to roll earplugs before fitting so the tips stay clean even if hands are dirty
- Soft polymer is washable and reusable, reducing both waste and costs
- Noise reduction rating (NRR) 25 dB. CSA Class AL
- Carrying case keeps earplugs clean and accessible for re-use.