- Smooth, dirt resistant surface for hygiene
- Comfortable for a wide range of earcanal sizes
- Test compatible with 3M™ E-A-Rfit™ Validation System
- Noise Reduction Rating (NRR)*: 29 dB. CSA Class AL
詳情
- Smooth, dirt resistant surface for hygiene
- Comfortable for a wide range of earcanal sizes
- Test compatible with 3M™ E-A-Rfit™ Validation System
- Noise Reduction Rating (NRR)*: 29 dB. CSA Class AL
3M™1100 耳塞柔軟，防過敏泡沫和錐形設計，以適應不同的耳道。(E-Shop)
3M™1100 耳塞柔軟，防過敏泡沫和錐形設計，以適應不同的耳道。(E-Shop)
