For noise levels up to 101 dBA, these behind-the-head earmuffs provide effective hearing protection.
? Stainless steel band distributes weight for low-pressure fit
? Earcup pivot points that tilt for optimum comfort and efficiency
? Liquid/foam filled earmuff cushions
? Color-coding for compliance sighting
? Noise Reduction Rating (NRR)*: 26 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.

Dynabrade 94991 1/4" Female Composite-Style Coupler with 1/4" Female Plug Assembly
3M 26432, PPS Series 2.0 Sealing Plug, 96 plugs per pack, 7100135627
Dynabrade 94992 1/4" Male Composite-Style Coupler with 1/4" Male Plug Assembly
3M™ 53797, Flexible Diamond Belt 6451J, 1/2" Dia x 18" L, M125 Micron, Type G, Pattern B2, 7010509272
Dynabrade 94990 1/4" Female Composite-Style Coupler with 1/4" Male Plug Assembly
3M 87449 Silver Depressed Center Grinding Wheel, T27 Quick Change, 9 in x 1/4 in x 5/8-11 Center Hub Thread, 7010409732, 20 per case
Dynabrade 98272 1/2" NPT Female Plug
Dynabrade 97566 1/4" Safety Coupler, Female
Dynabrade 98265 3/8" Female Coupler with 3/8" Male Plug Assembly
Dynabrade 98263 3/8" NPT Male Plug
3M™ 72787, Calibration Kit 529-04-48, Large, 7000052154, 1 EA/Case 
