• Specially probed version of the standard plug
• His product works with the E-A-Rfit™ Validation System
• Allows you to conduct an earplug fittest for the P1300 and P1301 earplugs
• *The NRR may overestimate the hearing protection provided during typical use.

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

3M™ Skull Screws™ Probed Test Plugs are a especially probed version of the standard plug. This product works with the E A Rfit™ Validation System and allows you to conduct an earplug fittest for the P1300 and P1301 earplugs.