3M SKU: 7000128264

Lead Time: ~2 days

3M™ Skull Screws™ Probed Test Plugs are a specially probed version of the standard plug.

*The NRR may overestimate the hearing protection provided during typical use.;allows you to conduct an earplug fit test for the P1300 and P1301 earplugs;his product works with the E-A-Rfit™ Validation System;specially probed version of the standard plug