3M Earplugs 391-1100, 1100 One Touch Refill 2000 EA/case
3M 1100 One Touch(TM) Refill is designed as a refill for the 3M E-A-R One Touch Dispensing Stand (391-1000).
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.
MFG Number 70071614104
UPC Number 10080529191028