3M™ PELTOR™ Optime™ 105 helmet-mounted earmuffs — dual-shell design for high attenuation in very loud environments.
Key features
- Proprietary dual-cup design — boosts noise-blocking ability
- Soft, foam-filled cushions — outstanding comfort
- Helmet-mounted (P3E) attachment for hard hats
Protection & standards
- NRR 27–30 dB; certified to EN 352-3
Typical uses: very high-noise work. Industries: construction, heavy manufacturing, oil & gas, aviation.
