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3M™ E·A·R™ High-Intensity Ear Muff

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.

Manufacturer:  3M™ 3303002

Catalog No. 18-579

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This earmuff combines excellent attenuation with comfortable durability. Provides a protective seal without excess pressure while the pivoting earcup connections help maintain the seal and proper alignment.
  • Lightweight earmuffs may be worn over-the-head, behind-the-head, or under-the-chin
  • 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 25 dB (CSA class A) when the band is worn over-the-head. NRR 26 dB (CSA Class AL) when the band is worn under-the-chin. NRR 26 dB (CSA Class AL) when band is worn behind-the-head
*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 provided. 3M is Leading the Advancement of Hearing Conservation™.


ANSI S3.19-1974
Assembly, cleaning, demolition, facility maintenance, grinding, machine operations, painting, sanding, welding
Ear plugs, ear muffs and banded hearing protectors, Foam-filled cushions, pivoting earcup connection
25dB over-the-head and 26dB behind-the-head and under-the-chin
High-intensity Ear Muff
For most slotted hardhats
One size fits most
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