Best Double Protection
3M Peltor Optime 105 Over-the-Head Earmuff, NRR 30 dB
3M Peltor
Twin-cup design achieves higher high- and low-frequency attenuation than a standard single-cup earmuff
- NRR 30 dB, twin-cup design
- Rated for the loudest tasks
- Pairs with foam earplugs for double protection
- Padded steel headband
Pros
- Twin-cup design achieves higher high- and low-frequency attenuation than a standard single-cup earmuff
- Worn over foam earplugs, adds approximately 5 dB of additional attenuation for the loudest shop operations
- The correct protection for chainsaw milling, angle grinding, and large thickness planers
- Some routers and thickness planers exceed 100 dB -- double protection with this earmuff is appropriate
Cons
- Earplugs worn under this earmuff are less comfortable than either alone
- Additional attenuation from double protection is less than the sum of both NRR values
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