3M E-A-R Multi Position Earmuffs
SKU: 408330 3M
- **Available upon Request, not a stock item.
- Noise Reduction Rating (NRR)*: 20 dB. CSA Class B if worn over-the-head and 22 dB. CSA Class B/A if worn behind-the-head or under the chin
- Lightweight, durable plastic construction is non-conductive and dielectric for tough environments
- Works with most slotted hardhats
- Replaceable ear cushions and foam liners (3M™ Hygiene Kit 331-3010)
- Large earcup openings and soft, foam-filled cushions offer a snug, comfortable fit
- Durable, lightweight construction of non-conductive, dielectric plastic
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