3M 7000128263 393-2011-50 Probed Test Plug

3M Tri-Flange Probed Test Plugs are a specially probed version of the standard plug.

• specially probed version of the standard plug
• 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