Polymer formulation gently hugs the earcanal to provide an effective seal that protects against noise.
– Ergonomic pistol grip for an easier fit
– Triple-flange provides proven protection without rolling or touching plug during insertion.
– Washable and reusable.
– Noise Reduction Rating (NRR)*: 27 dB. CSA Class AL.
*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.

3M 77197, Scotch-Brite™ Roloc™ Deburr and Finish PRO Unitized Wheel,TR, 3 in x 1/8 in x NH, 8C CRS+, 7100109130, 40/box
3M™ 17323, Versaflo™ Respiratory Helmet Assembly M-407, with Premium Visor and Flame Resistant Shroud, 7000002395, 1 EA/Case
Dynabrade 94993 1/4" Male Composite-Style Coupler with 1/4" Female Plug Assembly 
