3M (H31P3E) Hi-Viz Cap-Mount Earmuffs

A versatile, cap-mount earmuff with bright orange colored earcups for added visibility. - Universal mounting attachment fits most hard hats - Earcup pivot points tilt for optimum comfort and efficiency. - Ultra light with liquid/foam filled earmuff cushions. - Noise Reduction Rating (NRR)*: 23 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(TM).