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DescriptionAnother innovation from 3M™ E-A-R™, E-A-R™ Classic™ SuperFit™ 30 has a built-in visual check - the orange fitting ring. If the ring is visible after insertion, refitting is recommended for best hearing protection.
- Reusable Pillow Pack helps keep earplugs clean when they are not being worn
- Conforms to the shape of the earcanal to help create a comfortable, snug noise barrier
- Slow-recovery earplug foam is flame-resistant and moisture-resistant
- Noise Reduction Rating (NRR)* 30 dB. CSA Class AL
- Test compatible with 3M™ E-A-Rfit™ Validation System
- 3M Catalog# 310-1008, 310-1009, 311-1126, 312-4201