3M Occupational Health & Env Safety 10/Case Hearing Earmuffs are suitable for use in Environments with a very high noise level. They feature a twin-cup design and foam-filled ear cushions for extended comfort.
- Color & material: red & black plastic
- Type: earmuffs
- Application/Usage: cleaning, demolition, electrical, facility maintenance, grinding, machine operations, painting, sanding & welding
- Noise reduction: 29 dB
- Size: one size fits most
- Noise reduction rate (NRR): 28 db
- Twin-Cup® – neckband
- Patented Twin-Cup® design
- Behind the neck design allows for easy use with hard hats
- Back band hearing protector
- Standard: ANSI 53.19-1974
- Class: AL
- Frequency: 8000 Hz
- Mean: 42.2
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