3M™ Peltor™ Optime™ 98 cap-mount earmuffs feature a universal mounting attachment that fits most hard hats.
3M™ Peltor™ Optime™ 98 cap-mount earmuffs feature a universal mounting attachment that fits most hard hats. - Universal mounting attachment fits most hard hats - Stainless steel construction resists bending and warping. - Earcup pivot points tilt for optimum comfort and efficiency. - Ultra light with liquid/foam filled earmuff cushions. - Color-coding for compliance sighting. - Noise Reduction Rating (NRR)*: 21 dB. CSA Class B. *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™