3M™ E-A-R™ Earmuffs, 330-3001, black/maroon, multi-position

3M™ E-A-R™ Earmuffs 330-3001 feature durable, lightweight construction of non-conductive, dielectric plastic that can be worn over-the-head, behind-the-neck 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. 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. *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.

• 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)

Suggested Applications

• Large earcup openings and soft, foam-filled cushions offer a snug, comfortable fit
• Durable, lightweight construction of non-conductive, dielectric plastic