Patented Twin-Cup? design has soft, foam-filled earmuff cushions.
Behind the head design allows for easy use with hard hats.
Color-coding for compliance sighting.
Noise Reduction Rating (NRR)*: 29 dB. CSA Class AL
Product Name | 3M H10B Twin Cup With Backband (Pack. 1/10/10)-7000009664 |
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Brand | 3M |
Country of Manufacture | Japan |
Weight | 0.1000 |
Manufacturer Id | 7000009664 |
NRR | 29dB |
Color | Black, Red |