3M E-A-R Model 1000 Earmuffs 330-3001, 24 EA/Case Clearance Manchester

Note: This product has been discontinued by the manufacturer, 3M Corporation.

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 the 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. 

• Large earcup openings and soft, foam-filled cushions offer a snug, comfortable fit.
• The 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 the band is worn behind the head.
• *The NRR may overestimate the hearing protection provided during typical use.