A versatile, cap-mount earmuff. For noise levels up to 98 dBA.
(bul) Universal mounting attachment fits most hard hats
(bul) Earcup pivot points tilt for optimum comfort and efficiency.
(bul) Ultra light with liquid/foam filled earmuff cushions.
(bul) Color-coding for compliance sighting.
(bul) 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.

Insize 4120-16, METRIC THREAD RING GAGE, GO, M16x2, 6928640341496
3M 76783, Cubitron II Hookit Cloth Disc 784F, 120+ XF-weight, 5 in x NH, Die 500X, 7100222757
3M 11411, Roloc Disc 361F, 50 YF-weight, TR, 1 in, Die R100N, 7000045095 