? Soft foam caps block the entrance to the earcanal. Band is worn under the chin
? Ideal for intermittent protection needs
? Noise Reduction Rating (NRR)* 17 dB. CSA Class BL
*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 97571 1/2" NPT Male Safety Coupler
Dynabrade 98263 3/8" NPT Male Plug
3M 53914, Performance Plus Duct Tape 8979N Nuclear Red, 48 mm x 54.8 m 12.1 mil, 7000049014, 24/ case 
