3M™ E-A-R™ Earmuffs 331-4000, Model 4000 20 EA/Case
- 3M ID 70071515426
Details
Highlights
- Vertical adjustment system for quick and easy fitting
- Large earcup openings to fit most ear sizes
- Soft, wide cushions for even pressure and extra comfort
- Noise Reduction Rating (NRR)* 27dB. CSA Class A
EAR Model 4000, Earmuff, 20 ea/case.
Outstanding comfort and protection at a budget-conscious price. (bul) Vertical adjustment system for quick and easy fitting. (bul) Large earcup openings to fit most ear sizes. (bul) Soft, wide cushions for even pressure and extra comfort. (bul) Noise Reduction Rating (NRR)* 27 dB. CSA Class A. *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™.
Typical Properties
