3M™ Tri-Flange Probed Test Plugs, 393-2011-50, 50 pairs per case

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

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

3M™ Tri-Flange Probed Test Plugs are equipped with a probe tube for fit testing using the 3M™ E-A-Rfit Validation System.

These earplugs cannot be used for hearing protection.

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