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 53914, Performance Plus Duct Tape 8979N Nuclear Red, 48 mm x 54.8 m 12.1 mil, 7000049014, 24/ case
Dynabrade 51753 .1 hp Straight-Line Extension Pencil Grinder, Rear Exhaust, 50,000 RPM, 1/8" Collet
Dynabrade 43500 .4 hp 3" (76 mm) Extension Die Grinder, Front Exhaust, 25,000 RPM, 1/4" Collet
Dynabrade 97566 1/4" Safety Coupler, Female 
