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3M™ 1000 Ear Muff

Catalog Number 17381A
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Earmuff Cushions

Use these earmuff for a variety of applications. 3M™ earmuffs feature durable, lightweight construction of non-conductive, dielectric plastic that can be worn over-the-head, behind-the-neck or under-the-chin.

Low-profile and lightweight earmuffs may be worn over-the-head, behind-the-head, or under-the-chin. Provides a protective seal without excess pressure while the pivoting earcup connections maintain the seal and proper alignment.
  • Large earcup openings and soft, foam-filled cushions offer a snug, comfortable fit
  • Durable, lightweight construction of non-conductive, dielectric plastic
  • Noise Reduction Rating* NRR 20 dB (CSA class B) when the band is worn over-the-head
  • NRR 22 dB (CSA Class A) when the band is worn under-the-chin
  • NRR 22 dB (CSA Class B) when band is worn behind-the-head
  • 3M Catalog# 330-3001 , 3M Catalog# 331-3010

*The NRR may overestimate the hearing protection provided during typical use. 3M recommends reducing the NRR by 50% for estimating the amount of noise reduction provided3M is Leading the Advancement of Hearing Conservation™
Color Black
Certifications/Compliance NRR 20
Size Universal
For Use With (Equipment) For E-A-R model 1000, 2000H and 3000 earmuffs
Model 331-3010
Noise Reduction Rating (NRR) 20 dB over-the-head and 22 dB behind-the-neck
Product Type Ear Muff Cushion
Material ABS
Style Over-the-head, behind-the-neck
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