3M 25 dB Professional Hearing Protectors Black 1 pk
- Ergonomically designed controls with audio assist for easy set-up and guidance
- Recommended for home construction, road construction, lawn crews and more
- Durable recessed microphones prevent damage and reduce wind noise
- Hard-hat compatible with the 3M hard hat adaptor
- Canted ear cups for a more comfortable fit
- 2 hour auto shut off
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