3M E-A-R Ultrafit Probed Test Plugs features:

• These test earplugs are modified with a probe tube for use during earplug fit testing with the 3M™ E-A-Rfit™ Validation System

Y-Harness for mounting a boom microphone to the left earcup and enabling connection to a PTT adapter for two-way radio communication

These test earplugs are modified with a probe tube for use during earplug fit testing with the 3M™ E-A-Rfit™ Validation System