For noise levels up to 101 dBA, these over-the-head earmuffs provide effective hearing protection.
– Stainless steel headband 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)*: 27dB. 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.

3M 66635, Cloth Belt 341D, P100 X-weight, 6 in x 48 in, Film-lok, Single-flex, 7000118867, 20 per case
3M 36856, Dirt Trap Clear Film 18 in x 100 ft, 7000028295
3M 34672, 641WY, 1/2" X 64", 100 Mesh, Diamond Cloth Belts 7100111364
3M 21543, Scotch-Brite Roloc Clean and Strip XT Pro Extra Cut Disc, TR, 2 in x NH, A XCS, 7100179815, 60/box
Dynabrade 51705 .1 hp Straight-Line Pencil Grinder, Rear Exhaust, 50,000 RPM, 3/32" Collet
3M 45705, Cubitron II Hookit Cloth Disc 947A, 80+ X-weight, 5 in x NH, Die 500X, 7100112980
Dynabrade 95842 Dynabrade Air Lube 10W/NR, 1 Pint
3M 01328, PSA Cloth Disc 348D, P180 X-weight, 3 in x NH, Die 300V, 7000045068 
