3M™ Peltor™ Optime™ 98 cap-mount earmuffs feature a universal mounting attachment that fits most hard hats. – For noise levels up to 98 dBA – 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.
