3M39-3201150
3M™ Tri-Flange Probed Test Plugs, 393-2011-50, 50 pairs per case
Features
- "Cannot be used for hearing protection Works with the E-A-Rfit™ Validation System Allows you to conduct an earplug fit test for the Tri-Flange and UltraFit Plus earplugs *The NRR may overestimate the hearing protection provided during typical use."
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