3M E-A-R Multi Position Earmuffs

SKU: 408330 3M

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  • **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