- These test earplugs are modified with a probe tube for use during earplug fit testing with the 3M™ E-A-Rfit™ Validation System
- 50 PR Per Case
- 3M PSD products are for occupational use only.
- *The NRR may overestimate the hearing protection provided during typical use.
1 Pair = 1 Pair
1 Bag = 10 Pair
1 Case = 50 Pair
1 Pallet = 16,800 Pair