3M PELTOR Optime 105 Earmuffs H10B, Behind-the-Head
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- Noise Reduction Rating (NRR) between 27–30 dB (depending on the attachment type)
- Double-shell technology boosts noise-blocking ability
- Made with soft, foam-filled cushions
- Stainless steel construction resists bending and warping
- 3Mâ„¢ E-A-Rfitâ„¢ Dual-Ear Validation System testable